1
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Wang W, Hong S, He W, Zhang X, Qian H, Ma S. Stereoselective rhodium-catalyzed reaction of allenes with organoboronic reagents for diversified branched 1,3-alkadienes. Nat Commun 2024; 15:8344. [PMID: 39333494 PMCID: PMC11437177 DOI: 10.1038/s41467-024-52209-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Accepted: 08/28/2024] [Indexed: 09/29/2024] Open
Abstract
The terminal isoprene unit, as the simplest branched 1,3-diene unit, exists in a wide range of natural products and bioactive molecules. Herein, we report a stereoselective rhodium-catalyzed reaction of allenes with readily available methyl pinacol boronic ester, providing a straightforward approach to isoprene derivatives with a very high E-stereoselectivity. Its synthetic potential has been illustrated by a concise synthesis of natural product schinitrienin. Such a protocol can be easily extended to aryl and alkenyl boronic reagents affording 2-aryl or -alkenyl substituted 1,3-dienes, which are also of high importance in organic synthesis but remain challenging for their selective synthesis, with a remarkable stereoselectivity. A series of deuterium-labeling experiments indicate a unique mechanism, which involves reversible β-H elimination as well as hydrometalation and isomerization of the allylic rhodium species.
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Affiliation(s)
- Weiyi Wang
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, P. R. China
| | - Shichao Hong
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, P. R. China
| | - Wenxiang He
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, P. R. China
| | - Xue Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, P. R. China.
| | - Hui Qian
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, P. R. China.
| | - Shengming Ma
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Lu, Shanghai, P. R. China.
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, P. R. China.
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2
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Zhou P, Ding L, Liu Y, Song H, Wang Q. Iron-Catalyzed Electrophotochemical α-Functionalization of a Silylcyclobutanol. Org Lett 2024; 26:7094-7099. [PMID: 39150853 DOI: 10.1021/acs.orglett.4c02279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2024]
Abstract
Four-membered ring structure is important in organic chemistry, and selective cleavage and functionalization of these strained rings are of great interest. However, direct α-functionalization of cyclobutanols is rarely reported because of the high O-H bond dissociation energy and the occurrence of β-scission of C-C bonds in these alcohols. Recently, transition-metal catalysis has facilitated alkoxy radical generation. Herein, we report a method for electrophotochemical α-functionalization of a silylcyclobutanol via visible-light-induced LMCT reactions of M-alkoxy complexes. Introduction of the silyl group into the cyclobutanol structure favored fast [1,2]-silyl transfer over ring opening, thus allowing the generation of α-functionalized products.
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Affiliation(s)
- Pan Zhou
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Ling Ding
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Yuxiu Liu
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Hongjian Song
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Qingmin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
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3
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Han F, Su Q, Li Y, Hao J, Peng Y, Zhang Z, Jing L, Han P. Electroreductive Cross-Coupling between Aromatic Aldehydes and Chlorosilanes Enabling the Synthesis of α-Silyl Alcohols. Org Lett 2024; 26:7037-7042. [PMID: 39141560 DOI: 10.1021/acs.orglett.4c02607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
α-Silyl alcohols are powerful structural motifs for pharmaceutical chemistry, materials chemistry, and organic synthesis. The limitations of current synthetic techniques encompass a requirement for difficult-to-obtain silyl precursors, noble-metal catalysts, and narrow substrate scopes. Here, we developed a general synthetic method for α-silyl alcohols through electroreductive cross-coupling of aldehydes and chlorosilane. This method features easily available reagents, mild conditions, and a wide substrate scope. The establishment of this protocol will provide an alternative for access to α-silyl alcohols.
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Affiliation(s)
- Fen Han
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Qian Su
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Yu Li
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Jianjun Hao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Yulin Peng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Zhengbing Zhang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Linhai Jing
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Pan Han
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
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4
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Zhang T, Zhang C, Lu X, Peng C, Zhang Y, Zhu X, Zhong G, Zhang J. Synthesis of silyl indenes by ruthenium-catalyzed aldehyde- and acylsilane-enabled C-H alkylation/cyclization. Org Biomol Chem 2024; 22:466-471. [PMID: 38099332 DOI: 10.1039/d3ob01699d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
A ruthenium-catalyzed C-H alkylation/cyclization sequence is presented to prepare silyl indenes with atom and step-economy. This domino reaction is triggered by acyl silane-directed C-H activation, and an aldehyde controlled the following enol cyclization/condensation other than β-H elimination. The protocol tolerates a broad substitution pattern, and the further synthetic elaboration of silyl indenes allows access to a diverse range of interesting indene and indanone derivatives.
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Affiliation(s)
- Tao Zhang
- School of Engineering, China Pharmaceutical University, No. 24, Tongjiaxiang, Nanjing 210009, Jiangsu, China.
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
| | - Cheng Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
| | - Xiunan Lu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
| | - Chengxing Peng
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
| | - Yawei Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
| | - Xiong Zhu
- School of Engineering, China Pharmaceutical University, No. 24, Tongjiaxiang, Nanjing 210009, Jiangsu, China.
| | - Guofu Zhong
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
- Department of Chemistry, Eastern Institute for Advanced Study, Ningbo 315200, Zhejiang, China.
| | - Jian Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121 Zhejiang, China.
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5
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Gao S, Liu J, Troya D, Chen M. Copper-Catalyzed Asymmetric Acylboration of 1,3-Butadienylboronate with Acyl Fluorides. Angew Chem Int Ed Engl 2023; 62:e202304796. [PMID: 37712934 PMCID: PMC11144059 DOI: 10.1002/anie.202304796] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Indexed: 09/16/2023]
Abstract
We report herein a Cu-catalyzed regio-, diastereo- and enantioselective acylboration of 1,3-butadienylboronate with acyl fluorides. Under the developed conditions, the reactions provide (Z)-β,γ-unsaturated ketones bearing an α-tertiary stereocenter with high Z-selectivity and excellent enantioselectivities. While direct access to highly enantioenriched E-isomers was not successful, we showed that such molecules can be synthesized with excellent E-selectivity and optical purities via Pd-catalyzed alkene isomerization from the corresponding Z-isomers. The orthogonal chemical reactivities of the functional groups embedded in the ketone products allow for diverse chemoselective transformations, which provides a valuable platform for further derivatization.
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Affiliation(s)
- Shang Gao
- Department of Chemistry and Biochemistry, Auburn University, 36849 Auburn, AL (USA); Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, 210009 Nanjing, (China)
| | - Jiaming Liu
- Department of Chemistry and Biochemistry, Auburn University, 36849 Auburn, AL (USA)
| | - Diego Troya
- Department of Chemistry, Virginia Tech, 24061 Blacksburg, VA (USA)
| | - Ming Chen
- Department of Chemistry and Biochemistry, Auburn University, 36849 Auburn, AL (USA)
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6
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Abshire A, Ogunyemi B, Darko A. Rh(II)-Catalyzed Si-H Insertion with Nosyl-hydrazone-Protected Aryl Donor Diazo Compounds. ACS OMEGA 2023; 8:38005-38012. [PMID: 37867650 PMCID: PMC10586302 DOI: 10.1021/acsomega.3c03519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 09/07/2023] [Indexed: 10/24/2023]
Abstract
Dirhodium(II,II) paddlewheel catalysts were evaluated in silyl-hydrogen insertion reactions of aryl diazo compounds generated from o-nosyl hydrazones. The high reactivity of aryl diazo compounds necessitates their in situ generation from sulfonyl-protected hydrazones. Herein, we describe our efforts to evaluate this transformation utilizing Rh(II) catalysts, including those with tethered, axially coordinating ligands. The heteroleptic catalyst, Rh2(OAc)3(2-OX), provided the highest yield of silanes when dioxane was the solvent.
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Affiliation(s)
- Anthony Abshire
- Department of Chemistry, University of Tennessee, 1420 Circle Drive, Knoxville, Tennessee 37996, United States
| | - Bukola Ogunyemi
- Department of Chemistry, University of Tennessee, 1420 Circle Drive, Knoxville, Tennessee 37996, United States
| | - Ampofo Darko
- Department of Chemistry, University of Tennessee, 1420 Circle Drive, Knoxville, Tennessee 37996, United States
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7
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Liu J, Gao S, Miliordos E, Chen M. Asymmetric Syntheses of ( Z)- or ( E)-β,γ-Unsaturated Ketones via Silane-Controlled Enantiodivergent Catalysis. J Am Chem Soc 2023; 145:19542-19553. [PMID: 37639380 PMCID: PMC11144060 DOI: 10.1021/jacs.3c02595] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Cu-catalyzed highly stereoselective and enantiodivergent syntheses of (Z)- or (E)-β,γ-unsaturated ketones from 1,3-butadienyl silanes are developed. The nature of the silyl group of the dienes has a significant impact on the stereo- and enantioselectivity of the reactions. Under the developed catalytic systems, the reactions of acyl fluorides with phenyldiemthylsilyl-substituted 1,3-diene gave (Z)-β,γ-unsaturated ketones bearing an α-tertiary stereogenic center with excellent enantioselectivities and high Z-selectivities, where the reactions with triisopropylsilyl-substituted 1,3-butadiene formed (E)-β,γ-unsaturated ketones with high optical purities and excellent E-selectivities. The products generated from the reactions contain three functional groups with orthogonal chemical reactivities, which can undergo a variety of transformations to afford synthetically valuable intermediates.
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Affiliation(s)
- Jiaming Liu
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
| | - Shang Gao
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Evangelos Miliordos
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
| | - Ming Chen
- Department of Chemistry and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
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8
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Li X, Song H, Yu S, Mi R, Li XX. Rhodium-Catalyzed Enantioselective 1,4-Oxyamination of Conjugated gem-Difluorodienes via Coupling with Carboxylic Acids and Dioxazolones. Angew Chem Int Ed Engl 2023; 62:e202305669. [PMID: 37357836 DOI: 10.1002/anie.202305669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 06/27/2023]
Abstract
The incorporation of fluorine atoms in organics improves their bioactivity and lipophilicity. Catalytic functionalization of gem-difluorodienes represents one of the most straightforward approaches to access fluorinated alkenes. In contrast to the regular 1,3-dienes that undergo diverse asymmetric di/hydrofunctionalizations, the regio- and enantioselective oxyamination of gem-difluorodienes remains untouched. Herein, we report asymmetric 1,4-oxyamination of gem-difluorodiene by chiral rhodium-catalyzed three-component coupling with readily available carboxylic acid and dioxazolone, affording gem-difluorinated 1,4-amino alcohol derivatives. Our asymmetric protocol exhibits high 1,4-regio- and enantioselectivity with utility in the late-stage modification of pharmaceuticals and natural products. Stoichiometric experiments provide evidences for the π-allylrhodium pathway. Related oxyamination was also realized when trifluoroethanol was used as an oxygen nucleophile.
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Affiliation(s)
- Xingwei Li
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
- School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Heng Song
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Songjie Yu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Ruijie Mi
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
| | - Xiao-Xi Li
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, China
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9
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Ma JT, Zhang T, Yao BY, Xiao LJ, Zhou QL. Diastereodivergent and Enantioselective Synthesis of Homoallylic Alcohols via Nickel-Catalyzed Borylative Coupling of 1,3-Dienes with Aldehydes. J Am Chem Soc 2023; 145:19195-19201. [PMID: 37616490 DOI: 10.1021/jacs.3c07697] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
We present the first enantioselective nickel-catalyzed borylative coupling of 1,3-dienes with aldehydes, providing an efficient route to highly valuable homoallylic alcohols in a single step. The reaction involves the 1,4-carboboration of dienes, leading to the formation of C-C and C-B bonds accompanied by the construction of two continuous stereogenic centers. Enabled by a chiral spiro phosphine-oxazoline nickel complex, this transformation yields products with exceptional diastereoselectivity, E-selectivity, and enantioselectivity. The diastereoselectivity of the reaction can be controlled by employing either (Z)-1,3-dienes or (E)-1,3-dienes.
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Affiliation(s)
- Jin-Tao Ma
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Tianze Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Bo-Ying Yao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Li-Jun Xiao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
| | - Qi-Lin Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Frontiers Science Center for New Organic Matter, Nankai University, Tianjin 300071, China
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10
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Liang XX, Zhu C, Zhang W, Du YN, Xu L, Liu L, Zhang Y, Han MY. Nucleophilic Allylation of Acylsilanes in Water: An Effective Alternative to Functionalized Tertiary α-Silylalcohols. J Org Chem 2023; 88:12087-12099. [PMID: 37497648 DOI: 10.1021/acs.joc.3c00668] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
A nucleophilic allylation of acylsilanes in water was developed, generating versatile functionalized tertiary α-silyl alcohols in high yields. With the assistance of hydrogen bonding, a reaction model of less reactive acylsilane was achieved. Unlike the conventional strategy, transition metals and an additional Lewis acid catalyst were not required, and rate acceleration was observed in water.
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Affiliation(s)
- Xiu-Xia Liang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Chen Zhu
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Wang Zhang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Ya-Nan Du
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Lei Xu
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Lihua Liu
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Yicheng Zhang
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Man-Yi Han
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education; College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
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11
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Sang X, Mo Y, Li S, Liu X, Cao W, Feng X. Bimetallic tandem catalysis-enabled enantioselective cycloisomerization/carbonyl-ene reaction for construction of 5-oxazoylmethyl α-silyl alcohol. Chem Sci 2023; 14:8315-8320. [PMID: 37564412 PMCID: PMC10411629 DOI: 10.1039/d3sc01048a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 07/06/2023] [Indexed: 08/12/2023] Open
Abstract
A bimetallic tandem catalysis-enabled enantioselective cycloisomerization/carbonyl-ene reaction was developed. The reaction proceeded well with a broad range of N-propargylamides and acylsilanes, affording the target chiral 5-oxazoylmethyl α-silyl alcohols in up to 95% yield and 99% ee under mild conditions. Importantly, this facile protocol was available for the late-stage modification of several bioactive molecules. Based on the mechanistic study and control experiments, a possible catalytic cycle and transition state are proposed to elucidate the reaction process and enantioinduction.
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Affiliation(s)
- Xinpeng Sang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Yuhao Mo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Shiya Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Weidi Cao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China
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12
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Li Q, Liang XX, Zhang W, Han MY. Friedel-Crafts Reaction of Acylsilanes: Highly Chemoselective Synthesis of 1-Hydroxy-bis(indolyl)methanes and 1-Silyl-bis(indolyl)methanes Derivatives. Molecules 2023; 28:5685. [PMID: 37570655 PMCID: PMC10420641 DOI: 10.3390/molecules28155685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
A novel double Friedel-Crafts reaction of acylsilanes in water is described. This strategy enables synthesis of bis(indolyl)methane derivatives with 1-hydroxy or 1-silyl substituents in moderate to high yield. Compared to the 1-silyl-bis(indolyl)methane derivatives from indole substrate, 1-hydroxy-bis(indolyl)methane derivatives were synthesized from the 5-hydroxyindole, and the hydrogen bonds in the 5-hydroxyindole play a crucial role in regulating the reaction selectivity.
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Affiliation(s)
| | | | | | - Man-Yi Han
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, College of Chemistry and Materials Science, Huaibei Normal University, Huaibei 235000, China; (Q.L.); (X.-X.L.); (W.Z.)
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13
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Lu D, Chen C, Zheng L, Ying J, Lu Z. Regio- and Stereoselective Cobalt-Catalyzed Hydroboration of Vinylcyclopropanes to Access Homoallylic Boronates. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Dongpo Lu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, People’s Republic of China
| | - Chenhui Chen
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, People’s Republic of China
| | - Lixuan Zheng
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, People’s Republic of China
| | - Jiale Ying
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, People’s Republic of China
| | - Zhan Lu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, People’s Republic of China
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, People’s Republic of China
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14
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Yuan Y, Gu Y, Wang YE, Zheng J, Ji J, Xiong D, Xue F, Mao J. One-Pot Rapid Access to Benzyl Silanes, Germanes, and Stannanes from Toluenes Mediated by a LiN(SiMe 3) 2/CsCl System. J Org Chem 2022; 87:13907-13918. [DOI: 10.1021/acs.joc.2c01612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yaqi Yuan
- School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Yuanyun Gu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Yan-En Wang
- College of Science, Hebei Agricultural University, Baoding 071000, P. R. China
| | - Jiali Zheng
- School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Jiaying Ji
- School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Dan Xiong
- School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Fei Xue
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Jianyou Mao
- School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
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15
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Marcum JS, Meek SJ. Efficient Enantio-, Diastereo, E/ Z-, and Site-Selective Nickel-Catalyzed Fragment Couplings of Aldehydes, Dienes, and Organoborons. J Am Chem Soc 2022; 144:19231-19237. [PMID: 36195082 DOI: 10.1021/jacs.2c08742] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The enantioselective synthesis of bis-homoallylic alcohols through nickel-catalyzed three-component fragment couplings of simple aldehydes, dienes, and aryl organoborons is disclosed. The reactions proceed through diene dicarbofunctionalization that concurrently forms two C-C bonds and two stereogenic centers. The transformations are promoted by a 5.0 mol % loading of a readily accessible chiral phosphine-nickel complex and afford products with high stereoselectivity.
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Affiliation(s)
- Justin S Marcum
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
| | - Simon J Meek
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, United States
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16
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Fujihara T. Cu-Catalyzed Transformations of 1,3-Dienes: Use of Allyl Copper Intermediates in Functionalization. J SYN ORG CHEM JPN 2022. [DOI: 10.5059/yukigoseikyokaishi.80.738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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Noji M, Ishimaru S, Obata H, Kumaki A, Seki T, Hayashi S, Takanami T. Facile electrochemical synthesis of silyl acetals: An air-stable precursor to formylsilane. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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18
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Deng XH, Jiang JX, Jiang Q, Yang T, Chen B, He L, Chu WD, He CY, Liu QZ. CuH-Catalyzed Enantioselective Reductive Coupling of 1,3-Dienes and Trifluoromethyl Ketoimines or α-Iminoacetates. Org Lett 2022; 24:4586-4591. [PMID: 35714047 DOI: 10.1021/acs.orglett.2c01683] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The intermolecular addition of allylic copper species generated from diene and copper hydride remains elusive. Herein copper hydride catalyzed asymmetric cross reductive coupling of conjugated dienes and ketoimines including trifluoromethyl ketoimines and α-iminoacetates was first achieved using chiral Ph-BPE as the ligand, providing rapid access to structurally and optically enriched homoallylic amines containing two vicinal stereogenic centers with up to 95% yield, 99% ee, and 11:1 diastereoselectivities.
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Affiliation(s)
- Xue-Hua Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Jia-Xi Jiang
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Qin Jiang
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Ting Yang
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Bo Chen
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Long He
- College of Chemistry and Materials Engineering, Guiyang University, Guiyang 550005, China
| | - Wen-Dao Chu
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Cheng-Yu He
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Quan-Zhong Liu
- Chemical Synthesis and Pollution Control Key Laboratory of Si-chuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
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19
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Sakuragi S, Akiba T, Tanahashi T, Fujihara T. Synthesis of Cyclic Allylborates from 1,3-Dienes and a Diboron Reagent. Angew Chem Int Ed Engl 2022; 61:e202202226. [PMID: 35294096 DOI: 10.1002/anie.202202226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 01/16/2023]
Abstract
The synthesis of cyclic allylborates was achieved by the reaction of 1,3-dienes and B2 pin2 using a copper catalyst. Several 1,3-dienes were converted to the corresponding cyclic allylborates in moderate to high yields. The cyclic allylborate obtained could be used in several organic transformations such as allylation of electrophiles and Suzuki-Miyaura coupling.
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Affiliation(s)
- Seiya Sakuragi
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
| | - Tomofumi Akiba
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
| | - Takumi Tanahashi
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
| | - Tetsuaki Fujihara
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, 615-8510, Japan
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20
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Sakuragi S, Akiba T, Tanahashi T, Fujihara T. Synthesis of Cyclic Allylborates from 1,3‐Dienes and a Diboron Reagent. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Seiya Sakuragi
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
| | - Tomofumi Akiba
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
| | - Takumi Tanahashi
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
| | - Tetsuaki Fujihara
- Department of Energy and Hydrocarbon Chemistry Graduate School of Engineering Kyoto University Kyoto 615-8510 Japan
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21
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Nagano T, Matsumoto A, Yoshizaki R, Asano K, Matsubara S. Non-enzymatic catalytic asymmetric cyanation of acylsilanes. Commun Chem 2022; 5:45. [PMID: 36697739 PMCID: PMC9814240 DOI: 10.1038/s42004-022-00662-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 03/09/2022] [Indexed: 01/28/2023] Open
Abstract
The asymmetric cyanation of acylsilanes affords densely functionalized tetrasubstituted chiral carbon centers bearing silyl, cyano, and hydroxy groups, which are of particular interest in synthetic and medicinal chemistry. However, this method has been limited to a few enzymatic approaches, which employ only one substrate because of substrate specificity. Here we show the non-enzymatic catalytic asymmetric cyanation of acylsilanes using a chiral Lewis base as an enantioselective catalyst, trimethylsilyl cyanide as a cyanating reagent, and isopropyl alcohol as an additive to drive catalyst turnover. High enantio- and site-selectivities are achieved in a catalytic manner, and a variety of functional groups are installed in optically active acylsilane cyanohydrins, thus overcoming the limitations imposed by substrate specificity in conventional enzymatic methods. A handle for the synthetic application of the products is also established through the development of a catalyst for protecting acylsilane cyanohydrins, which are unstable and difficult to protect alcohols.
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Affiliation(s)
- Tagui Nagano
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
| | - Akira Matsumoto
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan ,grid.258799.80000 0004 0372 2033Present Address: Graduate School of Pharmaceutical Sciences, Kyoto University, Yoshida-Shimoadachi, Sakyo, Kyoto, 606-8501 Japan
| | - Ryotaro Yoshizaki
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
| | - Keisuke Asano
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
| | - Seijiro Matsubara
- grid.258799.80000 0004 0372 2033Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo, Kyoto, 615-8510 Japan
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22
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Fang X, Wen S, Jin P, Bao W, Liu S, Cong H, Shen X. Synthesis of Enantioenriched Fluorinated Enol Silanes Enabled by Asymmetric Reductive Coupling of Fluoroalkylacylsilanes and 1,3-Enynes and Brook Rearrangement. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00100] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Xiaowu Fang
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Songwei Wen
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Peishen Jin
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Wenjing Bao
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Shanshan Liu
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Hengjiang Cong
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
| | - Xiao Shen
- Institute for Advanced Studies, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, 299 Bayi Road, Wuhan, Hubei 430072, China
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23
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Chandrasekaran R, Pulikkottil FT, Elama KS, Rasappan R. Direct synthesis and applications of solid silylzinc reagents. Chem Sci 2021; 12:15719-15726. [PMID: 35003603 PMCID: PMC8654096 DOI: 10.1039/d1sc06038d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 11/19/2021] [Indexed: 01/29/2023] Open
Abstract
The increased synthetic utility of organosilanes has motivated researchers to develop milder and more practical synthetic methods. Silylzinc reagents, which are typically the most functional group tolerant, are notoriously difficult to synthesize because they are obtained by a pyrophoric reaction of silyllithium, particularly Me3SiLi which is itself prepared by the reaction of MeLi and disilane. Furthermore, the dissolved LiCl in silylzinc may have a detrimental effect. A synthetic method that can avoid silyllithium and involves a direct synthesis of silylzinc reagents from silyl halides is arguably the simplest and most economical strategy. We describe, for the first time, the direct synthesis of PhMe2SiZnI and Me3SiZnI reagents by employing a coordinating TMEDA ligand, as well as single crystal XRD structures. Importantly, they can be obtained as solids and stored for longer periods at 4 °C. We also demonstrate their significance in cross-coupling of various free alkyl/aryl/alkenyl carboxylic acids with broader functional group tolerance and API derivatives. The general applicability and efficiency of solid Me3SiZnI are shown in a wide variety of reactions including alkylation, arylation, allylation, 1,4-addition, acylation and more.
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Affiliation(s)
- Revathi Chandrasekaran
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram Vithura Thiruvananthapuram Kerala 695551 India
| | - Feba Thomas Pulikkottil
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram Vithura Thiruvananthapuram Kerala 695551 India
| | - Krishna Suresh Elama
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram Vithura Thiruvananthapuram Kerala 695551 India
| | - Ramesh Rasappan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram Vithura Thiruvananthapuram Kerala 695551 India
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24
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Bose SK, Mao L, Kuehn L, Radius U, Nekvinda J, Santos WL, Westcott SA, Steel PG, Marder TB. First-Row d-Block Element-Catalyzed Carbon-Boron Bond Formation and Related Processes. Chem Rev 2021; 121:13238-13341. [PMID: 34618418 DOI: 10.1021/acs.chemrev.1c00255] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Organoboron reagents represent a unique class of compounds because of their utility in modern synthetic organic chemistry, often affording unprecedented reactivity. The transformation of the carbon-boron bond into a carbon-X (X = C, N, and O) bond in a stereocontrolled fashion has become invaluable in medicinal chemistry, agrochemistry, and natural products chemistry as well as materials science. Over the past decade, first-row d-block transition metals have become increasingly widely used as catalysts for the formation of a carbon-boron bond, a transformation traditionally catalyzed by expensive precious metals. This recent focus on alternative transition metals has enabled growth in fundamental methods in organoboron chemistry. This review surveys the current state-of-the-art in the use of first-row d-block element-based catalysts for the formation of carbon-boron bonds.
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Affiliation(s)
- Shubhankar Kumar Bose
- Centre for Nano and Material Sciences (CNMS), Jain University, Jain Global Campus, Bangalore-562112, India
| | - Lujia Mao
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, 571199 Haikou, Hainan, P. R. China
| | - Laura Kuehn
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Udo Radius
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Jan Nekvinda
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Webster L Santos
- Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States
| | - Stephen A Westcott
- Department of Chemistry and Biochemistry, Mount Allison University, Sackville, NB E4L 1G8, Canada
| | - Patrick G Steel
- Department of Chemistry, University of Durham, Science Laboratories South Road, Durham DH1 3LE, U.K
| | - Todd B Marder
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
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25
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Hu J, Ferger M, Shi Z, Marder TB. Recent advances in asymmetric borylation by transition metal catalysis. Chem Soc Rev 2021; 50:13129-13188. [PMID: 34709239 DOI: 10.1039/d0cs00843e] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chiral organoboronates have played a critical role in organic chemistry and in the development of materials science and pharmaceuticals. Much effort has been devoted to exploring synthetic methodologies for the preparation of these compounds during the past few decades. Among the known methods, asymmetric catalysis has emerged as a practical and highly efficient strategy for their straightforward preparation, and recent years have witnessed remarkable advances in this respect. Approaches such as asymmetric borylative addition, asymmetric allylic borylation and stereospecific cross-coupling borylation, have been extensively explored and well established employing transition-metal catalysis with a chiral ligand. This review provides a comprehensive overview of transition metal-catalysed asymmetric borylation processes to construct carbon-boron, carbon-carbon, and other carbon-heteroatom bonds. It summarises a range of recent achievements in this area of research, with considerable attention devoted to the reaction modes and the mechanisms involved.
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Affiliation(s)
- Jiefeng Hu
- Institute of Inorganic Chemistry, and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany. .,Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 211816 Nanjing, China
| | - Matthias Ferger
- Institute of Inorganic Chemistry, and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
| | - Zhuangzhi Shi
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, 210093 Nanjing, China.
| | - Todd B Marder
- Institute of Inorganic Chemistry, and Institute for Sustainable Chemistry & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
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26
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Krieg SC, Grimmer J, Kramer P, Bolte M, Kelm H, Manolikakes G. Oxyenamides as Versatile Building Blocks for a Highly Stereoselective One-Pot Synthesis of the 1,3-Diamino-2-ol-Scaffold Containing Three Continuous Stereocenters. Angew Chem Int Ed Engl 2021; 60:23667-23671. [PMID: 34463410 PMCID: PMC8597051 DOI: 10.1002/anie.202109752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/22/2021] [Indexed: 12/15/2022]
Abstract
A highly diastereoselective one-pot synthesis of the 1,3-diamino-2-alcohol unit bearing three continuous stereocenters is described. This method utilizes 2-oxyenamides as a novel type of building block for the rapid assembly of the 1,3-diamine scaffold containing an additional stereogenic oxygen functionality at the C2 position. A stereoselective preparation of the required (Z)-oxyenamides is reported as well.
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Affiliation(s)
- Sara-Cathrin Krieg
- Department of Chemistry, Technical University Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663, Kaiserslautern, Germany
| | - Jennifer Grimmer
- Department of Chemistry, Technical University Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663, Kaiserslautern, Germany
| | - Philipp Kramer
- Department of Chemistry, Technical University Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663, Kaiserslautern, Germany
| | - Michael Bolte
- Institute of Inorganic and Analytical Chemistry, Goethe University Frankfurt am Main, Max-von-Laue-Strasse 7, 60438, Frankfurt am Main, Germany
| | - Harald Kelm
- Department of Chemistry, Technical University Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663, Kaiserslautern, Germany
| | - Georg Manolikakes
- Department of Chemistry, Technical University Kaiserslautern, Erwin-Schrödinger-Strasse Geb. 54, 67663, Kaiserslautern, Germany
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27
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Krieg S, Grimmer J, Kramer P, Bolte M, Kelm H, Manolikakes G. Oxyenamide als vielseitige Bausteine für eine hochgradig stereoselektive Eintopf‐Synthese der 1,3‐Diamino‐2‐ol‐Einheit mit drei fortlaufenden Stereozentren. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sara‐Cathrin Krieg
- Fachbereich Chemie Technische Universität Kaiserslautern Erwin-Schrödinger-Straße, Geb. 54 67663 Kaiserslautern Deutschland
| | - Jennifer Grimmer
- Fachbereich Chemie Technische Universität Kaiserslautern Erwin-Schrödinger-Straße, Geb. 54 67663 Kaiserslautern Deutschland
| | - Philipp Kramer
- Fachbereich Chemie Technische Universität Kaiserslautern Erwin-Schrödinger-Straße, Geb. 54 67663 Kaiserslautern Deutschland
| | - Michael Bolte
- Institut für Anorganische und Analytische Chemie Goethe Universität Frankfurt am Main Max-von-Laue-Straße 7 60438 Frankfurt am Main Deutschland
| | - Harald Kelm
- Fachbereich Chemie Technische Universität Kaiserslautern Erwin-Schrödinger-Straße, Geb. 54 67663 Kaiserslautern Deutschland
| | - Georg Manolikakes
- Fachbereich Chemie Technische Universität Kaiserslautern Erwin-Schrödinger-Straße, Geb. 54 67663 Kaiserslautern Deutschland
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28
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Yoon WS, Han JT, Yun J. Divergent Access to Benzocycles through Copper‐Catalyzed Borylative Cyclizations. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Wan Seok Yoon
- Department of Chemistry and Institute of Basic Science Sungkyunkwan University Suwon 16419 Korea
| | - Jung Tae Han
- Department of Chemistry and Institute of Basic Science Sungkyunkwan University Suwon 16419 Korea
| | - Jaesook Yun
- Department of Chemistry and Institute of Basic Science Sungkyunkwan University Suwon 16419 Korea
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29
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Wu J, Wu H, Li X, Liu X, Zhao Q, Huang G, Zhang C. Copper-Catalyzed Highly Selective Protoboration of CF 3 -Containing 1,3-Dienes. Angew Chem Int Ed Engl 2021; 60:20376-20382. [PMID: 34146388 DOI: 10.1002/anie.202105896] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/02/2021] [Indexed: 12/15/2022]
Abstract
The copper-catalyzed highly selective protoboration of CF3 -containing conjugated diene with proton source and B2 Pin2 has been developed. This chemistry could suppress the well-known defluorination and provide borated reagents with an intact CF3 -group. Further studies indicated that the functional group tolerance of this chemistry is very well, and the products could be used as versatile precursors for different types of transformations. Importantly, using chiral diphosphine ligand, we have developed the first example for using such starting material to synthesis allylic boron-reagents which bearing a CF3 -containing chiral center. Notably, the reaction mechanism was intensively studied by DFT calculations, which could reveal the reason that defluorination was inhibited.
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Affiliation(s)
- Juanjuan Wu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Hongli Wu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Xinzhi Li
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Xinyu Liu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Qian Zhao
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Genping Huang
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
| | - Chun Zhang
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, China
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30
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Wu J, Wu H, Li X, Liu X, Zhao Q, Huang G, Zhang C. Copper‐Catalyzed Highly Selective Protoboration of CF
3
‐Containing 1,3‐Dienes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Juanjuan Wu
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Hongli Wu
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Xinzhi Li
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Xinyu Liu
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Qian Zhao
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Genping Huang
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
| | - Chun Zhang
- Institute of Molecular Plus Tianjin Key Laboratory of Molecular Optoelectronic Science Department of Chemistry School of Science Tianjin University Tianjin 300072 China
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31
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Kanayama K, Sawada A, Suda K, Fujihara T. Copper-Catalyzed Regioselective Sila-Acylation and Silaformylation of 1,3-Dienes Using Esters. J Org Chem 2021; 86:9869-9875. [PMID: 34184898 DOI: 10.1021/acs.joc.1c00945] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The regioselective sila-acylation and silaformylation of 1,3-dienes was achieved over a copper catalyst using a silylborane as a silyl source. β,γ-Unsaturated ketones with a (dimethylphenylsilyl)methyl moiety at the α-position were obtained using esters, while β,γ-unsaturated aldehydes were obtained using formate esters.
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Affiliation(s)
- Kazutaka Kanayama
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Ayumi Sawada
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Katsushi Suda
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Tetsuaki Fujihara
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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32
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Yang Z, Zhou H, He M, Li J, Yang Z, Wu Y. One‐pot Synthesis of 3‐Acylsilane‐Substituted Isoquinolines via Rhodium (III)‐Catalyzed C−H Activation/Annulation of
O
‐pivaloyl Oximes With Acryloylsilanes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zengbao Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University No. 17 Southern Renmin Road 610041 Chengdu Sichuan P. R. China
| | - Hui Zhou
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University No. 17 Southern Renmin Road 610041 Chengdu Sichuan P. R. China
| | - Maoyao He
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University No. 17 Southern Renmin Road 610041 Chengdu Sichuan P. R. China
| | - Jianglian Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University No. 17 Southern Renmin Road 610041 Chengdu Sichuan P. R. China
| | - Zhongzhen Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University No. 17 Southern Renmin Road 610041 Chengdu Sichuan P. R. China
| | - Yong Wu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology West China School of Pharmacy Sichuan University No. 17 Southern Renmin Road 610041 Chengdu Sichuan P. R. China
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33
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Suliman AMY, Ahmed EAMA, Gong TJ, Fu Y. Three-component reaction of gem-difluorinated cyclopropanes with alkenes and B 2pin 2 for the synthesis of monofluoroalkenes. Chem Commun (Camb) 2021; 57:6400-6403. [PMID: 34085685 DOI: 10.1039/d1cc01620b] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Borylative difunctionalization of alkenes has emerged as a powerful approach for synthesizing highly functionalized molecules. Herein, dual Cu/Pd-catalysed borylfluoroallylation of alkenes was smoothly achieved by using gem-difluorinated cyclopropanes and B2pin2, providing the corresponding monofluoroalkene scaffolds in moderate to high yields with excellent stereoselectivity. Moreover, an array of synthetic building blocks can be obtained by downstream transformations.
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Affiliation(s)
- Ayman M Y Suliman
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, Hefei 230026, China. and Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230031, P. R. China
| | - Ebrahim-Alkhalil M A Ahmed
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang Province 325035, China
| | - Tian-Jun Gong
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, Hefei 230026, China. and Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230031, P. R. China
| | - Yao Fu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory of Biomass Clean Energy, Center for Excellence in Molecular Synthesis of CAS, University of Science and Technology of China, Hefei 230026, China. and Institute of Energy, Hefei Comprehensive National Science Center, Hefei, Anhui 230031, P. R. China
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34
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Lou Y, Qiu J, Yang K, Zhang F, Wang C, Song Q. Ni-Catalyzed Reductive Allylation of α-Chloroboronates to Access Homoallylic Boronates. Org Lett 2021; 23:4564-4569. [PMID: 34061544 DOI: 10.1021/acs.orglett.1c01213] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The transition-metal-catalyzed allylation reaction is an efficient strategy for the construction of new carbon-carbon bonds alongside allyl or homoallylic functionalization. Herein we describe a Ni-catalyzed reductive allylation of α-chloroboronates to efficiently render the corresponding homoallylic boronates, which could be readily converted into valuable homoallylic alcohols or amines or 1,4-diboronates. This reaction features a broad substrate scope with good functional group compatibility that is complementary to the existing methods for the preparation of homoallylic boronates.
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Affiliation(s)
- Yixian Lou
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Jian Qiu
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Kai Yang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Feng Zhang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China
| | - Chenglan Wang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Qiuling Song
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China.,Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian 350108, China.,Institute of Next Generation Matter Transformation, College of Materials Science Engineering at Huaqiao University, Xiamen, Fujian 361021, China
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35
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Deng H, Dong Y, Shangguan Y, Yang F, Han S, Wu J, Liang B, Guo H, Zhang C. Copper-Catalyzed Three-Component Carboboronation of Allenes Using Highly Strained Cyclic Ketimines as Electrophiles. Org Lett 2021; 23:4431-4435. [PMID: 33983748 DOI: 10.1021/acs.orglett.1c01372] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A diastereoselective copper and NHC-ligand-catalyzed three-component difunctionalization of allenes with bis(pinacolato)diboron and 2H-azirines to afford borylated allylaziridines is described. The reaction exhibits complete diastereoselectivity and good yields, and the further chlorination of the corresponding borylated products was also performed. It is believed that the high ring-strain force of 2H-azirines facilitates the reaction. More chemical transformations of borylated allylaziridines are also reported.
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Affiliation(s)
- Hao Deng
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Yujie Dong
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Yu Shangguan
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Fazhou Yang
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Sheng Han
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Jiaqi Wu
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Bo Liang
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Hongchao Guo
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Cheng Zhang
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
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36
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Guan M, Wang S, Luo Y, Cao W, Liu X, Feng X. Catalytic asymmetric addition of thiols to silyl glyoxylates for synthesis of multi-hetero-atom substituted carbon stereocenters. Chem Sci 2021; 12:7498-7503. [PMID: 34163840 PMCID: PMC8171345 DOI: 10.1039/d1sc01096d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
A chiral Lewis acid-catalyzed enantioselective addition of thiols to silyl glyoxylates was developed. The reaction proceeds well with a broad range of thiols and acylsilanes, affording the target tertiary chiral α-silyl–α-sulfydryl alcohols with multi-hetero-atom carbon stereocenters in excellent yields (up to 99%) and enantioselectivities (up to 98% ee). A series of control experiments were conducted to elucidate the reaction mechanism. Enantioselective addition of thiols to silyl glyoxylates for construction of a multi-hetero-atom substituted carbon stereocenter was described.![]()
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Affiliation(s)
- Mingming Guan
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China http://www.scu.edu.cn/chem_asl/
| | - Shiyu Wang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China http://www.scu.edu.cn/chem_asl/
| | - Yao Luo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China http://www.scu.edu.cn/chem_asl/
| | - Weidi Cao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China http://www.scu.edu.cn/chem_asl/
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China http://www.scu.edu.cn/chem_asl/
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University Chengdu 610064 P. R. China http://www.scu.edu.cn/chem_asl/
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37
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Kanti Das K, Manna S, Panda S. Transition metal catalyzed asymmetric multicomponent reactions of unsaturated compounds using organoboron reagents. Chem Commun (Camb) 2021; 57:441-459. [PMID: 33350405 DOI: 10.1039/d0cc06460b] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Asymmetric multicomponent reactions allow stitching several functional groups in an enantioselective and atom economical manner. The introduction of boron-based reagents as a multicomponent coupling partner has its own merits. In addition to being non-toxic and highly stable, organoboron compounds can be easily converted to other functional groups in a stereoselective manner. In the last decade several transition metal catalyzed asymmetric multicomponent strategies have been evolved using boron based reagents. This review will discuss the merits and scope of multicomponent strategies based on their difference in the reaction mechanism and transition metals involved.
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Affiliation(s)
- Kanak Kanti Das
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
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38
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Zhu C, Han MY, Liang XX, Guan B, Li P, Wang L. Hydrogen-Bond-Assisted Sequential Reaction of Silyl Glyoxylates: Stereoselective Synthesis of Silyl Enol Ethers. Org Lett 2021; 23:54-59. [PMID: 33320686 DOI: 10.1021/acs.orglett.0c03683] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel hydrogen-bond-assisted sequential reaction of silyl glyoxylates is described. This method provides an efficient strategy for the synthesis of silyl enol ethers with high selectivity. In these transformations, hydrogen bonds from 2-nitroethanol and its derivatives are critical to the stereochemical outcome. Both E- and Z-isomers are achieved via Henry reaction/Brook rearrangement/elimination and Henry reaction/Brook rearrangement/retro-Henry reaction/elimination processes, respectively (up to 99:1 Z-selectivity, and 9.2:1 E-selectivity).
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Affiliation(s)
- Chen Zhu
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China
| | - Man-Yi Han
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China
| | - Xiu-Xia Liang
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China
| | - Bin Guan
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China
| | - Pinhua Li
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 200032, P.R. China
| | - Lei Wang
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P.R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Shanghai 200032, P.R. China.,Advanced Research Institute and Department of Chemistry, Taizhou University, Taizhou, Zhejiang 318000, P.R. China
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39
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Chen B, Yuan Y, Xu JX, Franke R, Wu XF. Palladium-catalyzed carbonylative synthesis of acylstannanes from aryl iodides and hexamethyldistannane. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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40
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Whyte A, Torelli A, Mirabi B, Zhang A, Lautens M. Copper-Catalyzed Borylative Difunctionalization of π-Systems. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02758] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Andrew Whyte
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Alexa Torelli
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Bijan Mirabi
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Anji Zhang
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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41
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Wang X, Liu F, Li Y, Yan Z, Qiang Q, Rong Z. Recent Advances in the Synthesis of Acylsilanes. ChemCatChem 2020. [DOI: 10.1002/cctc.202000750] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Xuchao Wang
- Frontiers Science Center for Flexible Electronics (FSCFE) Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME) Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 P.R. China
| | - Feipeng Liu
- Frontiers Science Center for Flexible Electronics (FSCFE) Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME) Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 P.R. China
- Key Laboratory for Organic Electronics and Information Displays Institute of Advanced Materials (IAM) Nanjing University of Posts & Telecommunications 9 Wenyuan Road Nanjing 210023 P.R. China
| | - Yongjie Li
- College of Chemistry Liaoning University Shenyang 110036 P.R. China
| | - Zijuan Yan
- Frontiers Science Center for Flexible Electronics (FSCFE) Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME) Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 P.R. China
| | - Qing Qiang
- Frontiers Science Center for Flexible Electronics (FSCFE) Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME) Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 P.R. China
| | - Zi‐Qiang Rong
- Frontiers Science Center for Flexible Electronics (FSCFE) Shaanxi Institute of Flexible Electronics (SIFE) & Shaanxi Institute of Biomedical Materials and Engineering (SIBME) Northwestern Polytechnical University (NPU) 127 West Youyi Road Xi'an 710072 P.R. China
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42
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Xue W, Oestreich M. Beyond Carbon: Enantioselective and Enantiospecific Reactions with Catalytically Generated Boryl- and Silylcopper Intermediates. ACS CENTRAL SCIENCE 2020; 6:1070-1081. [PMID: 32724842 PMCID: PMC7379128 DOI: 10.1021/acscentsci.0c00738] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Indexed: 06/11/2023]
Abstract
Catalytic asymmetric C-C bond formation with alkylcopper intermediates as carbon nucleophiles is now textbook chemistry. Related chemistry with boron and silicon nucleophiles where the boryl- and accordingly silylcopper intermediates are catalytically regenerated from bench-stable pronucleophiles had been underdeveloped for years or did not even exist until recently. Over the past decade, asymmetric copper catalysis employing those main-group elements as nucleophiles rapidly transformed into a huge field in its own right with an impressive breadth of enantioselective C-B and C-Si bond-forming reactions, respectively. Its current state of the art does not have to shy away from comparison with that of boron's and silicon's common neighbor in the periodic table, carbon. This Outlook is not meant to be a detailed summary of those manifold advances. It rather aims at providing a brief conceptual summary of what forms the basis of the latest exciting progress, especially in the area of three-component reactions and cross-coupling reactions.
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Affiliation(s)
| | - Martin Oestreich
- Institut für Chemie, Technische Universität Berlin, Strasse des 17. Juni 115, 10623 Berlin, Germany
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43
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Lu X, Zhang J, Xu L, Shen W, Yu F, Ding L, Zhong G. Ruthenium-Catalyzed Brook Rearrangement Involved Domino Sequence Enabled by Acylsilane-Aldehyde Corporation. Org Lett 2020; 22:5610-5616. [PMID: 32633529 DOI: 10.1021/acs.orglett.0c01983] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A ruthenium-catalyzed [1,2]-Brook rearrangement involved domino sequence is presented to prepare highly functionalized silyloxy indenes with atomic- and step-economy. This domino reaction is triggered by acylsilane-directed C-H activation, and the aldehyde controlled the subsequent enol cyclization/Brook Rearrangement other than β-H elimination. The protocol tolerates a broad substitution pattern, and the further synthetic elaboration of silyloxy indenes allows access to a diverse range of interesting indene and indanone derivatives.
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Affiliation(s)
- Xiunan Lu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Jian Zhang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Liangyao Xu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Wenzhou Shen
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Feifei Yu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Liyuan Ding
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
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44
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Ma JH, Li L, Sun YL, Xu Z, Bai XF, Yang KF, Cao J, Cui YM, Yin GW, Xu LW. Silicon-mediated enantioselective synthesis of structurally diverse α-amino acid derivatives. Sci China Chem 2020. [DOI: 10.1007/s11426-020-9768-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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45
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Han MY, Pan H, Li P, Wang L. Aqueous ZnCl 2 Complex Catalyzed Prins Reaction of Silyl Glyoxylates: Access to Functionalized Tertiary α-Silyl Alcohols. J Org Chem 2020; 85:5825-5837. [PMID: 32250619 DOI: 10.1021/acs.joc.9b03501] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
An efficient Prins reaction of silyl glyoxylates in the presence of an aqueous ZnCl2 complex as a catalyst was developed, providing functionalized tertiary α-silyl alcohols in high yields under mild conditions. A preliminary investigation indicated that the aqueous ZnCl2 complex acted as a dual functional catalyst of Brønsted and Lewis acid to activate the carbonyl groups of silyl glyoxylates via a dual-activation model.
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Affiliation(s)
- Man-Yi Han
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education; Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Hong Pan
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education; Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Pinhua Li
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education; Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Lei Wang
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education; Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
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46
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Takale BS, Thakore RR, Etemadi-Davan E, Lipshutz BH. Recent advances in Cu-catalyzed C(sp 3)-Si and C(sp 3)-B bond formation. Beilstein J Org Chem 2020; 16:691-737. [PMID: 32362947 PMCID: PMC7176932 DOI: 10.3762/bjoc.16.67] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 03/10/2020] [Indexed: 12/12/2022] Open
Abstract
Numerous reactions generating C-Si and C-B bonds are in focus owing to the importance of incorporating silicon or boron into new or existing drugs, in addition to their use as building blocks in cross-coupling reactions en route to various targets of both natural and unnatural origins. In this review, recent protocols relying on copper-catalyzed sp3 carbon-silicon and carbon-boron bond-forming reactions are discussed.
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Affiliation(s)
- Balaram S Takale
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, USA
| | - Ruchita R Thakore
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, USA
| | - Elham Etemadi-Davan
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, USA
| | - Bruce H Lipshutz
- Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, USA
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47
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Matsuda Y, Tsuji Y, Fujihara T. Cu-Catalyzed three-component coupling reactions using nitriles, 1,3-dienes and silylboranes. Chem Commun (Camb) 2020; 56:4648-4651. [PMID: 32270164 DOI: 10.1039/d0cc01803a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper reports novel Cu-catalyzed three-component coupling reactions using nitriles, 1,3-dienes and silylboranes. The desired reactions proceed at room temperature and yield β,γ-unsaturated ketones with a (dimethylphenylsilyl)methyl moiety at the α-position. Diverse nitriles participate in the reaction and the corresponding products were obtained in good to high yields with high regioselectivity.
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Affiliation(s)
- Yuki Matsuda
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan.
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48
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Klychnikov MK, Pohl R, Císařová I, Jahn U. Application of the Brook Rearrangement in Tandem with Single Electron Transfer Oxidative and Radical Processes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000126] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Mikhail K. Klychnikov
- Institute of Organic Chemistry and Biochemistry; Czech Academy of Sciences; Flemingovo náměstí 2 16610 Prague 6 Czech Republic
| | - Radek Pohl
- Institute of Organic Chemistry and Biochemistry; Czech Academy of Sciences; Flemingovo náměstí 2 16610 Prague 6 Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030/8 12843 Prague 2 Czech Republic
| | - Ullrich Jahn
- Institute of Organic Chemistry and Biochemistry; Czech Academy of Sciences; Flemingovo náměstí 2 16610 Prague 6 Czech Republic
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A unified approach for divergent synthesis of contiguous stereodiads employing a small boronyl group. Nat Commun 2020; 11:792. [PMID: 32034155 PMCID: PMC7005891 DOI: 10.1038/s41467-020-14592-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 01/13/2020] [Indexed: 11/29/2022] Open
Abstract
Acyclic contiguous stereocenters are frequently seen in biologically active natural and synthetic molecules. Although various synthetic methods have been reported, predictable and unified approaches to all possible stereoisomers are rare, particularly for those containing non-reactive hydrocarbon substituents. Herein, a β-boronyl group is employed as a readily accessible handle for predictable α-functionalization of enolates with either syn or anti selectivity depending on reaction conditions. Contiguous tertiary-tertiary and tertiary-quaternary stereocenters are thus accessed in generally good yields and diastereoselectivity. Based on experimental and computational studies, mechanism for syn selective alkylation is proposed, and Bpin (pinacolatoboronyl) behaves as a smaller group than most carbon-centered groups. The synthetic utility of this methodology is demonstrated by preparation of several key intermediates for bioactive molecules. Predictable and unified approaches to all possible stereoisomers of acyclic compounds with contiguous stereocentres are rare. Here, the authors disclose a divergent α-functionalization of enolates with either syn or anti selectivity employing a β-boronyl group as a small, directing handle.
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50
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Zhang P, Zhou Z, Zhang R, Zhao Q, Zhang C. Cu-Catalyzed highly regioselective 1,2-hydrocarboxylation of 1,3-dienes with CO 2. Chem Commun (Camb) 2020; 56:11469-11472. [PMID: 32856640 DOI: 10.1039/d0cc05056c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A practical copper-catalyzed highly regioselective 1,2-hydrocarboxylation of terminal 1,3-diene with carbon dioxide has been developed. Under mild reaction conditions, this chemistry afforded 2-benzyl-β,γ-unsaturated acid derivatives as products, which are a kind of important unit for bio-active molecules and versatile precursors for organic synthesis, with good functional group tolerance. The key intermediate in this transformation is illustrated by control experiments.
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Affiliation(s)
- Penglin Zhang
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Science, Department of Chemistry, School of Sciences, Tianjin University, Weijin Rd. 92, Tianjin 300072, China.
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