1
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Zhao Y, Yan H, Zhang Y, Zhou T, Tian M, Zhang C, Yuan S, Qiu H, He L, Zhang M. Catalytic asymmetric intramolecular propargylation of cyclopropanols to access the cuparane core. Chem Sci 2024; 15:10963-10968. [PMID: 39027279 PMCID: PMC11253112 DOI: 10.1039/d4sc02504k] [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: 04/16/2024] [Accepted: 06/09/2024] [Indexed: 07/20/2024] Open
Abstract
The catalytic asymmetric propargylation of enol(ate) intermediates is a well-established method for the synthesis of α-propargyl-substituted carbonyl compounds. However, the propargylation of homo-enol(ate) or its equivalents for the synthesis of β-propargyl-substituted carbonyl compounds remains underdeveloped. A catalytic enantioselective decarboxylative intramolecular propargylation of cyclopropanols has been developed using a PyBox-complexed copper catalyst. This reaction offers an effective approach to assemble a cyclopentanone skeleton bearing an all-carbon quaternary stereogenic center and an adjacent quaternary gem-dimethyl carbon center, which is the core scaffold of the naturally occurring cuparenoids. Key to the success of this protocol is the use of a new structurally optimized PyBox ligand. This study represents the first example of catalytic asymmetric intramolecular propargylation of cyclopropanols.
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Affiliation(s)
- Yankun Zhao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Hongya Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Yulian Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Tao Zhou
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Mengxing Tian
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Chongzhou Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Shan Yuan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Hanyue Qiu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Ling He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
| | - Min Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University Chongqing 401331 China
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2
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Yang X, Zhang B, Ruan J, Duanmu K, Chen W. Palladium-Catalyzed Allylation of Endocyclic 1-Azaallyl Anions. J Org Chem 2024; 89:8896-8905. [PMID: 38856706 DOI: 10.1021/acs.joc.4c00743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Endocyclic 1-azaallyl anions engage allyl acetates in a palladium-catalyzed allylation followed by reduction to give unprotected 2-(hetero)aryl-3-allylpiperidines and 2-allyl-3-arylmorpholines, products not easily accessible by other means. The allyl group is then readily transformed into a variety of functional groups. Preliminary studies on the asymmetric variant of the reaction using an enantiomerically pure BI-DIME-type ligand provide the product with moderate enantioselectivity. Computational studies suggest that energy barriers of inner-sphere reductive elimination and outer-sphere nucleophilic substitution are almost the same, which makes both of them possible reaction pathways. In addition, the inner-sphere mechanism displays an enantiodiscriminating C-C bond forming step, while the outer-sphere mechanism is much less selective, which combined to give the asymmetric variant of the reaction moderate enantioselectivity.
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Affiliation(s)
- Xiaoyu Yang
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Biao Zhang
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Junhao Ruan
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Kaining Duanmu
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
| | - Weijie Chen
- School of Chemical Science and Engineering, Institute for Advanced Studies, Tongji University, 1239 Siping Rd, Shanghai 200092, P. R. China
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3
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Li J, Huang J, Wang Y, Liu Y, Zhu Y, You H, Chen FE. Copper-catalyzed asymmetric allylic substitution of racemic/ meso substrates. Chem Sci 2024; 15:8280-8294. [PMID: 38846404 PMCID: PMC11151816 DOI: 10.1039/d4sc02135e] [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: 04/01/2024] [Accepted: 05/06/2024] [Indexed: 06/09/2024] Open
Abstract
The synthesis of enantiomerically pure compounds is a pivotal subject in the field of chemistry, with enantioselective catalysis currently standing as the primary approach for delivering specific enantiomers. Among these strategies, Cu-catalyzed asymmetric allylic substitution (AAS) is significant and irreplaceable, especially when it comes to the use of non-stabilized nucleophiles (pK a > 25). Although Cu-catalyzed AAS of prochiral substrates has also been widely developed, methodologies involving racemic/meso substrates are highly desirable, as the substrates undergo dynamic processes to give single enantiomer products. Inspired by the pioneering work of the Alexakis, Feringa and Gennari groups, Cu-catalyzed AAS has been continuously employed in deracemization and desymmetrization processes for the synthesis of enantiomerically enriched products. In this review, we mainly focus on the developments of Cu-catalyzed AAS with racemic/meso substrates over the past two decades, providing an explicit outline of the ligands employed, the scope of nucleophiles, the underlying dynamic processes and their practical applications.
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Affiliation(s)
- Jun Li
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Junrong Huang
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Yan Wang
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Yuexin Liu
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Yuxiang Zhu
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University Shenzhen 518107 China
| | - Hengzhi You
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
| | - Fen-Er Chen
- School of Science, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Green Pharmaceutical Engineering Research Center, Harbin Institute of Technology (Shenzhen) Taoyuan Street, Nanshan District Shenzhen 518055 China
- Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University Shanghai 200433 China
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4
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Liu H, Shi L, Tan X, Kang B, Luo G, Jiang H, Qi C. Et 2 Zn-Mediated Gem-Dicarboxylation of Cyclopropanols with CO 2. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307633. [PMID: 38126667 PMCID: PMC10916615 DOI: 10.1002/advs.202307633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Indexed: 12/23/2023]
Abstract
An unprecedented Et2 Zn-mediated gem-dicarboxylation of C─C/C─H single bond of cyclopropanols with CO2 is disclosed, which provides a straightforward and efficient methodology for the synthesis of a variety of structurally diverse and useful malonic acids in moderate to excellent yields. The protocol features mild reaction conditions, excellent functional group compatibility, broad substrate scope, and facile derivatization of the products. DFT calculations confirm that the transition-metal-free transformation proceeds through a novel ring-opening/α-functionalization/ring-closing/ring-opening/β-functionalization (ROFCOF) process, and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) plays dual important roles in the transformation.
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Affiliation(s)
- Hongjian Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou510640China
| | - Lei Shi
- Institutes of Physical Science and Information TechnologyAnhui UniversityHefei230601China
| | - Xiaobin Tan
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou510640China
| | - Bangxiong Kang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou510640China
| | - Gen Luo
- Institutes of Physical Science and Information TechnologyAnhui UniversityHefei230601China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou510640China
| | - Chaorong Qi
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou510640China
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5
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Hou J, Li X, Yan K, Zhang L, Loh TP, Xie P. Uracil-Cu(i) catalyst: allylation of cyclopropanols with Morita-Baylis-Hillman alcohols under water-tolerant conditions. Chem Sci 2024; 15:1143-1149. [PMID: 38239700 PMCID: PMC10793597 DOI: 10.1039/d3sc04890j] [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: 09/18/2023] [Accepted: 12/07/2023] [Indexed: 01/22/2024] Open
Abstract
Inspired by the high affinity of copper with DNA and RNA, a uracil-copper catalytic system was developed to promote ring-opening allylation of cyclopropanols with allylic alcohols under water-tolerant conditions. A new C-OH bond-breaking model can well resolve the trade-off between the need for acidic activators for C(allyl)-OH bond cleavage and the demand for strong basic conditions for generating homoenolates. Therefore, Morita-Baylis-Hillman alcohols, rather than their pre-activated versions, could be incorporated directly into dehydrative cross-coupling with cyclopropanols delivering water as the only by-product. A variety of functionalized δ,ε-unsaturated ketones were obtained in good-to-high yield with high E-selectivity.
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Affiliation(s)
- Jingwei Hou
- School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 China
| | - Xiaohong Li
- School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 China
| | - Kaiyu Yan
- School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 China
| | - Lei Zhang
- School of Science, Tianjin Chengjian University Tianjin 300384 China
| | - Teck-Peng Loh
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology Zhengzhou 450001 China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University Singapore 637371
| | - Peizhong Xie
- School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 China
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6
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Liu S, Su X, Jiang D, Xiong H, Miao D, Fu L, Qiu H, He L, Zhang M. Arylation of Cyclopropanol with Pyrrole: Asymmetric Synthesis of Indolizidine 167B, Indolizidine 209D, and Monomorine I. Org Lett 2023; 25:2058-2062. [PMID: 36930849 DOI: 10.1021/acs.orglett.3c00406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
A Fe(NO3)3-mediated ring-opening arylation of cyclopropanol with the electron-rich pyrrole has been developed, which might proceed through oxidative radical ring opening of cyclopropanol followed by cyclization to the pyrrole motif and then aromatization. This method enables direct arylation of cyclopropanol without prefunctionalization and thus allows rapid access to a diverse array of chiral 5,6,7,8-tetrahydroindolizines from easily available chiral amino acid esters. The synthetic utility has been demonstrated by the asymmetric synthesis of alklaoids (-)-indolizidine 167B, (+)-indolizidine 209D, (+)-monomorine I, and a natural product analogue.
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Affiliation(s)
- Shuangwei Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Xiaojiao Su
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Dan Jiang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Hongbing Xiong
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Dingyin Miao
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Lin Fu
- Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan 646000, China
| | - Hanyue Qiu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China.,Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, Sichuan 646000, China
| | - Ling He
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China
| | - Min Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Innovative Drug Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, China.,Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
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7
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Liang Z, Wang L, Wang Y, Wang L, Chong Q, Meng F. Cobalt-Catalyzed Diastereo- and Enantioselective Carbon-Carbon Bond Forming Reactions of Cyclobutenes. J Am Chem Soc 2023; 145:3588-3598. [PMID: 36734874 DOI: 10.1021/jacs.2c12475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Catalytic enantioselective functionalization of cyclobutenes constitutes a general and modular strategy for construction of enantioenriched complex cyclobutanes bearing multiple stereogenic centers, as chiral four-membered rings are common motifs in biologically active molecules and versatile intermediates in organic synthesis. However, enantioselective synthesis of cyclobutanes through such a strategy remained significantly limited. Herein, we report a series of unprecedented cobalt-catalyzed carbon-carbon bond forming reactions of cyclobutenes that are initiated through enantioselective carbometalation. The protocols feature diastereo- and enantioselective introduction of allyl, alkynyl, and functionalized alkyl groups. Mechanistic studies indicated an unusual 1,3-cobalt migration and subsequent β-carbon elimination cascade process occurred in the allyl addition. These new discoveries established a new elementary process for cobalt catalysis and an extension of diversity of nucleophiles for enantioselective transformations of cyclobutenes.
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Affiliation(s)
- Zhikun Liang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Lei Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Yu Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Lifan Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Qinglei Chong
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032
| | - Fanke Meng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, China, 200032.,School of Chemistry and Material Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China, 310024
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8
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Higashida K, Smaïl V, Nagae H, Carpentier JF, Mashima K. Nickel-Catalyzed Asymmetric Allylic Alkylation of β-Dicarbonyl Compounds via C–C Bond Activation of 2-Allylated Cyclic 1,3-Diketones. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Kosuke Higashida
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Valentin Smaïl
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Haruki Nagae
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Jean-Francois Carpentier
- Institut des Sciences Chimiques de Rennes, Université de Rennes, CNRS, F-35042 Rennes Cedex, France
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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9
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Wu H, Qu B, Nguyen T, Lorenz JC, Buono F, Haddad N. Recent Advances in Non-Precious Metal Catalysis. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hao Wu
- Chemical Development US, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
| | - Bo Qu
- Chemical Development US, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
| | - Thach Nguyen
- Chemical Development US, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
| | - Jon C. Lorenz
- Chemical Development US, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
| | - Frederic Buono
- Chemical Development US, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
| | - Nizar Haddad
- Chemical Development US, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877, United States
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10
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Niu S, Luo Y, Xu C, Liu J, Yang S, Fang X. Copper-Catalyzed Yne-Allylic Substitutions Using Stabilized Nucleophiles. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00911] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Shengtong Niu
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Yingkun Luo
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Chao Xu
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Jinggong Liu
- Orthopedics Department, Guangdong Provincial Hospital of Traditional Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Shuang Yang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
| | - Xinqiang Fang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Fuzhou 350100, China
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11
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Kitabayashi A, Mizushima S, Higashida K, Yasuda Y, Shimizu Y, Sawamura M. Insights into the Mechanism of Enantioselective Copper‐Catalyzed Ring‐Opening Allylic Alkylation of Cyclopropanols. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200157] [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)
- Akito Kitabayashi
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Sho Mizushima
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Kosuke Higashida
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Yuto Yasuda
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Yohei Shimizu
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
| | - Masaya Sawamura
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
- Department of Chemistry Faculty of Science Hokkaido University Kita 10 Nishi 8, Kita-ku Sapporo Hokkaido 060-0810 Japan
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12
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Hou L, Huang W, Wu X, Qu J, Chen Y. Nickel-Catalyzed Carbonylation of Cyclopropanol with Benzyl Bromide for Multisubstituted Cyclopentenone Synthesis. Org Lett 2022; 24:2699-2704. [PMID: 35389666 DOI: 10.1021/acs.orglett.2c00798] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Herein, we reported a Ni-catalyzed carbonylation of cyclopropanol with benzyl bromide to afford multisubstituted cyclopentenone under 1 atm of CO. The reaction proceeds through cascade carbonylation of benzyl bromides, followed by generation of nickel homoenolate from cyclopropanols via β-C elimination to afford 1,4-diketones, which undergoes intramolecular Aldol condensation to furnish highly substituted cyclopentenone derivatives in moderate to good yields. The reaction exhibits high functional group tolerance with broad substrate scope.
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Affiliation(s)
- Liting Hou
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wenyi Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
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13
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Wang M, Li B, Gong B, Yao H, Lin A. Synthesis of pyranopyrazoles with a chiral quaternary carbon stereocenter via copper-catalyzed enantioselective [3 + 3] cycloaddition. Chem Commun (Camb) 2022; 58:2850-2853. [PMID: 35129569 DOI: 10.1039/d1cc07058d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A copper-catalyzed enantioselective [3 + 3] cycloaddition of propargyl carbonates and pyrazolones has been disclosed. This reaction provided an efficient route to synthesize pyranopyrazoles containing a chiral quaternary carbon stereocenter in good yields with good to excellent enantioselectivities. In addition, the hydroxyl group in the products could be conveniently transformed into a variety of functional groups, such as aldehyde, nitrile, alkene, ester and amide groups, which further increased the synthetic value of this reaction.
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Affiliation(s)
- Meihui Wang
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University, China.
| | - Bo Li
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University, China.
| | - Baihui Gong
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University, China.
| | - Hequan Yao
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University, China.
| | - Aijun Lin
- State Key Laboratory of Natural Medicines, Department of Medicinal Chemistry, China Pharmaceutical University, China.
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Wang J, Li X. Asymmetric β-Arylation of Cyclopropanols Enabled by Photoredox and Nickel Dual Catalysis. Chem Sci 2022; 13:3020-3026. [PMID: 35382467 PMCID: PMC8905987 DOI: 10.1039/d1sc07237d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/16/2022] [Indexed: 11/21/2022] Open
Abstract
The enantioselective functionalization and transformation of readily available cyclopropyl compounds are synthetically appealing yet challenging topics in organic synthesis. Here we report an asymmetric β-arylation of cyclopropanols with aryl bromides...
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Affiliation(s)
- Jianhua Wang
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University Jinan Shandong 250012 China
| | - Xiaoxun Li
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), NMPA Key Laboratory for Technology Research and Evaluation of Drug Products, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University Jinan Shandong 250012 China
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Trost BM, Zhang G, Xu M, Qi X. ProPhenol Derived Ligands to Simultaneously Coordinate a Main-Group Metal and a Transition Metal: Application to a Zn-Cu Catalyzed Reaction. Chemistry 2021; 28:e202104268. [PMID: 34902190 DOI: 10.1002/chem.202104268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Indexed: 11/05/2022]
Abstract
A new bifunctional ligand bearing chiral N-heterocyclic carbene (NHC) and prolinol moieties is presented. Utilizing the designed ligand, an in situ formed Cu/Zn hetero-bimetallic complex unlocks the asymmetric allylic alkylation reactions of allyl phosphates with zinc keto-homoenolates, leading to the formation of various γ-vinyl ketones with good regio- and enantio-selectivity. DF sT calculation supports that the chelation of allyl phosphates with catalyst promotes the SN 2' addition and the ligand-substrate steric interactions account for the stereoselective outcome.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University, Stanford, California, 94035-5080, United States
| | - Guoting Zhang
- Department of Chemistry, Stanford University, Stanford, California, 94035-5080, United States
| | - Minghao Xu
- Department College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Xiaotian Qi
- Department College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
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