1
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Zou WX, Hu Q, Shen DT, Wu WR, Wei J, Yang ZF, Bao MZ, Liu X, Zhang SS. A Platform for the Synthesis of Diverse Phosphonyl and Thiofunctionalized Sulfoxonium Ylides. Org Lett 2024. [PMID: 38940397 DOI: 10.1021/acs.orglett.4c02000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
A practical strategy for the construction of diverse phosphonyl and thiofunctionalized sulfoxonium ylides via controllable monofunctionalization of hybrid I(III)/S(VI) ylides is presented. This process allows efficient P-H insertion of I(III)/S(VI) ylides under Cu catalysis, enabling the synthesis of phosphonyl sulfoxonium ylides, whereas reaction with sulfur-containing reagents including AgSCF3, KSC(S)OR, and KSCN under mild conditions resulted in α-trifluoromethylthiolation, dithiocarbanation, and thiocyanation of sulfoxonium ylides accordingly. Of note, wide substrate compatibility (108 examples), excellent efficiency (up to 99% yield), gram-scale experiments, and various product derivatizations highlight the synthetic utility of this protocol.
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Affiliation(s)
- Wen-Xuan Zou
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Qiong Hu
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Dan-Ting Shen
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Wen-Rong Wu
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Jiaohang Wei
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Zi-Feng Yang
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Mei-Zhu Bao
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Xiang Liu
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan 528458, P. R. China
| | - Shang-Shi Zhang
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
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2
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Liu DY, Wang PF, Ruan YJ, Wang XL, Hu XY, Yang Q, Liu J, Wen MM, Zhang CZ, Xiao YH, Liu XG. Assembly of Heterocyclic C-Glycosides by Ru-Catalyzed C-H Activation/Cyclization with Carbonyl Sulfoxonium Ylide Glyco-Reagents. Org Lett 2024; 26:5092-5097. [PMID: 38848493 DOI: 10.1021/acs.orglett.4c01287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2024]
Abstract
New carbonyl sulfoxonium ylide glyco-reagents have been developed, enabling the synthesis of versatile heteroarene C-glycosides through a Ru-catalyzed C-H activation/annulation strategy. These reactions tolerate various saccharide donors and represent a significant advance in the stereoselective synthesis of heterocyclic C-glycosides. Furthermore, the strategy and methods could be applied to large-scale reactions and late-stage modifications of some structurally complex natural products or drugs.
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Affiliation(s)
- Deng-Yin Liu
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Peng-Fei Wang
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Yu-Jun Ruan
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Xiao-Li Wang
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Xin-Yue Hu
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Qian Yang
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Jing Liu
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Miao-Miao Wen
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Cong-Zhen Zhang
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Yu-He Xiao
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
| | - Xu-Ge Liu
- The Zhongzhou Laboratory for Integrative Biology, State Key Laboratory of Antiviral Drugs, School of Pharmacy, Henan University, Kaifeng, Henan 475004, China
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3
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Zhang J, Liu C, Wu J, Tan X, Wu W, Jiang H. Palladium-Catalyzed Annulation of Tertiary Anilines with 3-Butenoic Acid via Dual C-H Bond Activation. Org Lett 2024; 26:4422-4426. [PMID: 38767940 DOI: 10.1021/acs.orglett.4c00880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Catalytic cyclization via dual C-H bond activation has evolved as a powerful strategy for building bi- and polycyclic molecules. Herein, a palladium-catalyzed annulation of tertiary anilines with 3-butenoic acid via N-α-C(sp3)-H and ortho-C(sp2)-H activation is described. The remarkable characteristics of this reaction include excellent diastereoselectivity, broad substrate scope, and good tolerance for some highly sensitive groups. In addition, the KIE experiment suggested that the C-H bond abscission is not the turnover-limiting step.
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Affiliation(s)
- Jinhui Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Chao Liu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jiahao Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xiangwen Tan
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
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4
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Fan ZW, Li ZQ, Zhao BY, Wang MY, Zhang HX, Wang YQ. Acid Promoted Tetrafunctionalization of Terminal Alkynes: Geminal Diazidation and Dibromination. Org Lett 2024; 26:3878-3882. [PMID: 38678578 DOI: 10.1021/acs.orglett.4c01040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
The synthesis of complex alkanes by the tetrafunctionalization of alkynes is limited and challenging. Herein, an unprecedented efficient geminal diazidation and dibromination of terminal alkynes is developed, which provides novel access to structurally diverse organic azides. The approach has exclusive chemo- and regioselectivity and features mild reaction conditions, good tolerance of various functional groups, and more crucially, no metal involved in the reaction, thereby benefiting the late-stage decoration of medicinal molecules. A mechanistic study showed that the current geminal diazidation and dibromination proceeds via a radical pathway.
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Affiliation(s)
- Zhi-Wu Fan
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Zhi-Qi Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Bao-Yin Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Meng-Yue Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Hong-Xia Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P.R. China
| | - Yong-Qiang Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P.R. China
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5
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Zhou G, Zhou T, Jiang AL, Qian PF, Li JY, Jiang BY, Chen ZJ, Shi BF. Electrooxidative Rhodium(III)/Chiral Carboxylic Acid-Catalyzed Enantioselective C-H Annulation of Sulfoximines with Alkynes. Angew Chem Int Ed Engl 2024; 63:e202319871. [PMID: 38289019 DOI: 10.1002/anie.202319871] [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: 12/23/2023] [Indexed: 02/21/2024]
Abstract
The combination of achiral Cp*Rh(III) with chiral carboxylic acids (CCAs) represents an efficient catalytic system in transition metal-catalyzed enantioselective C-H activation. However, this hybrid catalysis is limited to redox-neutral C-H activation reactions and the adopt to oxidative enantioselective C-H activation remains elusive and pose a significant challenge. Herein, we describe the development of an electrochemical Cp*Rh(III)-catalyzed enantioselective C-H annulation of sulfoximines with alkynes enabled by chiral carboxylic acid (CCA) in an operationally friendly undivided cell at room temperature. A broad range of enantioenriched 1,2-benzothiazines are obtained in high yields with excellent enantioselectivities (up to 99 % yield and 98 : 2 er). The practicality of this method is demonstrated by scale-up reaction in a batch reactor with external circulation. A crucial chiral Cp*Rh(III) intermediate is isolated, characterized, and transformed, providing rational support for a Rh(III)/Rh(I) electrocatalytic cycle.
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Affiliation(s)
- Gang Zhou
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Tao Zhou
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, 311121, Hangzhou, Zhejiang, China
| | - Ao-Lian Jiang
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Pu-Fan Qian
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Jun-Yi Li
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Bo-Yang Jiang
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Zi-Jia Chen
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
| | - Bing-Feng Shi
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 310027, Hangzhou, China
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, 311121, Hangzhou, Zhejiang, China
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, 314001, Jiaxing, Zhejiang, China
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6
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Li Y, Meng Z, Zhu X, Hao XQ, Song MP. Cu(II)-Mediated Sulfonylation of (Hetero)arenes with TosMIC Using Monodentate Directing Groups. J Org Chem 2024; 89:3894-3906. [PMID: 38385785 DOI: 10.1021/acs.joc.3c02730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Monodentate chelation-assisted direct ortho-C-H sulfonylation of (hetero)arenes using TosMIC as the novel sulfonylating reagent has been developed. A broad range of substrates, including indolines, indoles, 2-phenylpyridines, and others were well tolerated to afford the corresponding products in moderate to good yields. Mechanistic studies revealed that the sulfonyl radical might be involved. Inspired by the above discovery, preliminary para-C-H sulfonylation of naphthalene substrate was also successfully realized. The current protocol featured with cheap metal catalysis, good functional group compatibility, and operational convenience.
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Affiliation(s)
- Yigao Li
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou 450001, P. R. China
| | - Zhuang Meng
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou 450001, P. R. China
| | - Xinju Zhu
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou 450001, P. R. China
| | - Xin-Qi Hao
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou 450001, P. R. China
| | - Mao-Ping Song
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou 450001, P. R. China
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7
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Liu SL, Lv X, Wang X, Li Z, Huang Q, Jin Q, Zhou L, Fang S. One-Step Syntheses of 3,4-Disubstituted Isochroman-1-ones by the Annulation of Benzoic Acids with Nitroalkenes. J Org Chem 2024; 89:3672-3676. [PMID: 38379290 DOI: 10.1021/acs.joc.4c00059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
The Rh(III)-catalyzed annulation of benzoic acids with nitroalkenes was disclosed to afford a wide range of 3,4-disubstituted isochroman-1-ones with excellent regioselectivity and high catalytic efficiency. Both aromatic and aliphatic nitroalkenes participated in this cyclization reaction successfully. The synthetic value of 3,4-disubstituted isochroman-1-ones was proven by a series of derivatizations. Furthermore, a reliable mechanism is outlined on the basis of experimental investigations and related precedents.
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Affiliation(s)
- Shuang-Liang Liu
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Xulin Lv
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Xiaoge Wang
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Zhaoyang Li
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Qinchen Huang
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Qingxian Jin
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Liming Zhou
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
| | - Shaoming Fang
- College of Material and Chemical Engineering, and Key Laboratory of Surface & Interface Science and Technology of Henan Province, Zhengzhou University of Light Industry, Kexue avenue 136, Zhengzhou 450001, P. R. China
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8
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Le-Hoang G, Guénée L, Sommer Q, Piguet C. Tuning Selectivity and Stability in Heteroleptic Lanthanide Adducts by Ligand Design. Inorg Chem 2024; 63:3712-3723. [PMID: 38334740 DOI: 10.1021/acs.inorgchem.3c03710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Terdentate ligands L10-L14 and their heteroleptic [LkLn(hfac)3] complexes (Ln = La, Eu, Gd, Er, or Y; H-hfac = 1,1,1,5,5,5-hexafluoropentane-2,4-dione) exhibit multifactorial correlations between the ligand's structural frameworks, including their level of preorganization and steric congestion and their affinities and selectivities for catching the trivalent lanthanide containers [Ln(hfac)3]. The polyaromatic ligand scaffolds could be stepwise modulated via lanthanide-template synthetic strategies, using intermolecular rhodium-catalyzed insertion reactions. The increasing level of preorganization along the L10 → L11 → L12 series leads to a duality in which larger thermodynamic formation constants with lanthanides in CD2Cl2 are accompanied by an unexpected decrease in the Ln-N affinities in the solid state, which could be assigned to a limited match between the lanthanide size and the enlarged preorganized cavities. On the contrary, a reduced stability is induced by the connection of additional methyl groups at position 1 of the benzimidazole moieties in L13 and L14, which is accompanied by an optimization of metal-nitrogen bond lengths. This study contributes to the rational design of highly stable neutral heteroleptic lanthanide β-diketonate adducts that resist dissociation in solution, a prerequisite for photophysical applications using these highly luminescent systems at the molecular level.
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Affiliation(s)
- Giau Le-Hoang
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Quentin Sommer
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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9
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Zhang C, Li G, Shang Z, Li R, Xu X. DFT Study on Mechanism of Ni-Al Bimetallic-Catalyzed C-H Cyclization to Construct Tricyclic Imidazoles: Roles of NHC Ligand and AlMe 3. J Org Chem 2024; 89:1505-1514. [PMID: 38217504 DOI: 10.1021/acs.joc.3c02110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2024]
Abstract
The mechanism of the Ni-Al bimetallic-catalyzed C-H cyclization to construct tricyclic imidazoles is investigated using density functional theory calculations. The calculation result shows that the reaction mechanism involves sequential steps of substrate coordination, ligand-to-ligand hydrogen transfer (LLHT), and C-C reductive elimination to produce the final product tricyclic imidazole. The LLHT step is calculated to be the rate-determining step. The oxidative addition of the benzimidazole C-H bond to the Ni center and the insertion of the alkene into the Ni-H bond occur concertedly in the LLHT step. The effects of N-heterocyclic carbene (NHC) ligands and AlMe3 on the reactivity and regioselectivity were also analyzed. These calculation results shed light on some ambiguous suggestions from experiments.
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Affiliation(s)
- Cong Zhang
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Guorong Li
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Zhenfeng Shang
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Ruifang Li
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Xiufang Xu
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
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10
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Liu J, Liu DY, Yang Q, Zeng YF, Wang XL, Wang PF, Ruan YJ, Wen MM, Zhang SS, Du LD, Liu XG. Cp*Rh(III)-catalyzed regioselective cyclization of aromatic amides with allenes. Chem Commun (Camb) 2024; 60:598-601. [PMID: 38099839 DOI: 10.1039/d3cc05342c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
A new Cp*Rh(III)-catalyzed regioselective cyclization reaction of aromatic amides with allenes is reported. The use of allenyl derivatives bearing a directing-group assistant as a reaction promoter was the key to the success of this protocol. In this catalytic system, N-(pivaloyloxy)benzamide substrates react with allenes via Rh-σ-alkenyl intermediates, while N-(pivaloyloxy) indol substrates react via Rh-π-allyl intermediates. These reactions were characterized by mild reaction conditions, a broad substrate scope, and high functional-group compatibility to yield several high-value isoquinolinone and pyrimido[1,6-a]indol-1(2H)-one skeleton-containing compounds. The synthetic applications and primary mechanisms were also investigated.
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Affiliation(s)
- Jing Liu
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Deng-Yin Liu
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Qian Yang
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Yao-Fu Zeng
- School of Pharmaceutical Science, Hengyang Medical School, University of South China, Hengyang 421000, P. R. China.
| | - Xiao-Li Wang
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Peng-Fei Wang
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Yu-Jun Ruan
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Miao-Miao Wen
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
| | - Shang-Shi Zhang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China.
| | - Li-da Du
- Institute of Molecular Medicine & Innovative Pharmaceutics, Qingdao University, Qingdao 266071, China.
| | - Xu-Ge Liu
- Zhongzhou Laboratory, School of Pharmacy, Henan University, Kaifeng, Henan, 475004, China.
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11
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Zhu M, Zhu M, Wei F, Shao C, Li X, Liu B. Synthesis of Bridged Cycloisoxazoline Scaffolds via Rhodium-Catalyzed Coupling of Nitrones with Cyclic Carbonate. J Org Chem 2023; 88:16330-16339. [PMID: 37966420 DOI: 10.1021/acs.joc.3c01840] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Bridged isoxazolidines were synthesized via Rh(III)-catalyzed C-H allylation of α-aryl nitrones with 5-methylene-1,3-dioxan-2-one. The nitrone group serves as a directing group and 1,3-dipole in the C-H activation/[3 + 2] cycloaddition cascade, exhibiting excellent chemo- and stereoselectivity along with good functional group compatibility. The resulting skeletal structure was conveniently modified to produce a range of important chemical frameworks, and the protocol was applied to biologically active molecules.
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Affiliation(s)
- Man Zhu
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Mengdie Zhu
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Fangjie Wei
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Chongjing Shao
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xingwei Li
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bingxian Liu
- State Key Laboratory of Antiviral Drugs, Pingyuan Laboratory, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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12
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Chen X, Zhou XY, Bao M. Base-Catalyzed Nucleophilic Addition Reaction of Indoles with Vinylene Carbonate: An Approach to Synthesize 4-Indolyl-1,3-dioxolanones. Molecules 2023; 28:7450. [PMID: 37959869 PMCID: PMC10649246 DOI: 10.3390/molecules28217450] [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: 10/20/2023] [Revised: 10/30/2023] [Accepted: 11/04/2023] [Indexed: 11/15/2023] Open
Abstract
The N-functionalized indole is a privileged structural framework in a wide range of bioactive molecules. The nucleophilic addition between indoles with vinylene carbonate proceeded smoothly in the presence of K2CO3 as the catalyst to produce novel indolyl-containing skeletons and 4-indolyl-1,3-dioxolanones in satisfactory to excellent yields (up to >97% yield). Various synthetically useful functional groups, such as halogen atoms, cyano, nitro, and methoxycarbonyl groups, remained intact during the regioselective N-H addition reactions. The developed catalytic system also could accommodate 2-naphthalenol to achieve the target O-H additive product in good yield.
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Affiliation(s)
- Xia Chen
- School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China;
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Xiao-Yu Zhou
- School of Chemistry and Materials Engineering, Liupanshui Normal University, Liupanshui 553004, China;
| | - Ming Bao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
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13
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Kotipalli R, Babu US, Nanubolu JB, Reddy MS. Rh-catalyzed chemo-, stereo- and regioselective C-H cascade annulation of indolyloxopropanenitriles for pyranoindoles. Chem Commun (Camb) 2023; 59:10137-10140. [PMID: 37503886 DOI: 10.1039/d3cc02762g] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Selective annulations of alkynes represent a powerful tool for constructing multicyclic scaffolds while installing desired substitution patterns with precision. Herein, we report a Rh-catalyzed unique annulation of indolyl oxopropanenitrile with hydroxy-alkynoates to access pyranoindole cyclic motifs, featuring enol oxygen as a rare chemoselective reactive terminal. The reaction proceeds via a five-membered oxy-rodacycle through C-H activation by a rhodium complex guided by enolic- and propargyloxy dual co-ordination to enable a regio- and stereoselective modular assembly.
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Affiliation(s)
- Ramesh Kotipalli
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Undamatla Suri Babu
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | | | - Maddi Sridhar Reddy
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India
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14
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Kumar MN, Suresh V, Nagireddy A, Nanubolu JB, Reddy MS. Pd-catalyzed regioselective rollover dual C-H annulation cascade: facile approach to phenanthrene derivatives. Chem Commun (Camb) 2023. [PMID: 37475606 DOI: 10.1039/d3cc02523c] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Annulations of unsaturated systems through C-H activation represent a powerful tool for producing multicyclic scaffolds. Having coordinating centers in both annulation partners (a dual coordination strategy) would afford remarkable selectivities in the outcomes. Along this concept, we report herein a Pd-catalyzed regioselective rollover cascade dual C-H annulation of o-arylphenols with alkynols for constructing phenanthrene scaffolds. Control, KIE and deuteration studies were conducted to determine the reaction mechanism, and downstream transformations and scaled-up reactions were carried out to assess the robustness of the transformation.
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Affiliation(s)
- Muniganti Naveen Kumar
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
| | - Vavilapalli Suresh
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
| | - Attunuri Nagireddy
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
| | | | - Maddi Sridhar Reddy
- Department of OSPC, CSIR-Indian Institute of Chemical Technology, Habsiguda, Hyderabad 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, India
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15
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Chen SY, Zeng YF, Zou WX, Shen DT, Zheng YC, Song JL, Zhang SS. Divergent Synthesis of Tetrasubstituted Phenols via [3 + 3] Cycloaddition Reaction of Vinyl Sulfoxonnium Ylides with Cyclopropenones. Org Lett 2023; 25:4286-4291. [PMID: 37265108 DOI: 10.1021/acs.orglett.3c01327] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Two categories of tetrasubstituted phenols were prepared via the cycloaddition reaction of vinyl sulfoxonnium ylides with cyclopropenones in a switchable manner. Copper carbenoid was proposed as the active intermediate in the process of 2,3,4,5-tetrasubstituted phenols formation, while 2,3,5,6-tetrasubstituted phenols were generated via the direct [3 + 3] annulation of vinyl sulfoxonnium ylides with cyclopropenones under metal-free conditions. Further synthetic applications were also demonstrated.
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Affiliation(s)
- Shao-Yong Chen
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Yao-Fu Zeng
- School of Pharmaceutical Science, Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, China
| | - Wen-Xuan Zou
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Dan-Ting Shen
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Yi-Chuan Zheng
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Jia-Lin Song
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Shang-Shi Zhang
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
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16
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Inami A, Nishii Y, Hirano K, Miura M. Rhodium-Catalyzed Isoquinoline Synthesis Using Vinyl Selenone as Oxidizing Acetylene Surrogate. Org Lett 2023; 25:3206-3209. [PMID: 37140353 DOI: 10.1021/acs.orglett.3c00826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Isoquinoline is a privileged structure in many bioactive compounds and valuable ligands. Transition-metal-catalyzed oxidative annulation of imine derivatives has become a promising synthetic method; however, catalytic synthesis of 3,4-nonsubstituted isoquinolines by formal acetylene annulation has been scarce to date. Herein, we introduce vinyl selenone as an effective acetylene surrogate for the Rh-catalyzed annulative coupling under mild conditions. The Se fragment can be recovered as diselenide and recycled. The product can readily be converted to 1-aminoisoquinolines.
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Affiliation(s)
- Ayumi Inami
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yuji Nishii
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Koji Hirano
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan
| | - Masahiro Miura
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan
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17
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Suresh V, Naveen Kumar M, Nagireddy A, Sridhar Reddy M. Rhodium‐Catalyzed Dual C−H Activation for Regioselective Triple Annulation of Enaminones: Access to Polycyclic Naphthopyran Derivatives. Adv Synth Catal 2023. [DOI: 10.1002/adsc.202300131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Vavilapalli Suresh
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Muniganti Naveen Kumar
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Attunuri Nagireddy
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
| | - Maddi Sridhar Reddy
- OSPC Division CSIR-Indian Institute of Chemical Technology Habsiguda Hyderabad 500007 India
- Academy of Scientific and Innovative Research Ghaziabad 201002 India
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18
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Fan D, Zhang F, Cui J, Wang D, Han T, Tang BZ. Synthesis of fluorescent multisubstituted polyquinolines by cascade C-H activation-based polyannulations of isonicotinamides and diynes. Sci China Chem 2023. [DOI: 10.1007/s11426-022-1528-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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19
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Dattatri, Kumar Reddy Singam M, Vavilapalli S, Babu Nanubolu J, Sridhar Reddy M. Propargyl Alcohols as Bifunctional Reagents for Divergent Annulations of Biphenylamines via Dual C-H Functionalization/Dual Oxidative Cyclization. Angew Chem Int Ed Engl 2023; 62:e202215825. [PMID: 36583268 DOI: 10.1002/anie.202215825] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/29/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
The C-H functionalization strategy provides access to valuable molecules that previously required convoluted synthetic attempts. Dual C-H unsymmetrical functionalization, with a single bifunctional reagent, is an effective tactic. Propargyl alcohols (PAs), despite containing a reactive C≡C bond, have not been explored as building blocks via oxidative cleavage. Annulations via C-H activation are a versatile and synthetically attractive strategy. We disclose PA as a new bifunctional reagent for unsymmetrical dual C-H functionalization of biphenylamine for regioselectively annulated outcomes. On tuning the conditions, the annulation bifurcated towards an unusual dual oxidative cyclization. This method accommodates a wide range of PAs and showcases late-stage diversification of some natural products.
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Affiliation(s)
- Dattatri
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Maneesh Kumar Reddy Singam
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Suresh Vavilapalli
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | | | - Maddi Sridhar Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
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20
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Singh A, Kumar S, Volla CMR. α-Carbonyl sulfoxonium ylides in transition metal-catalyzed C-H activation: a safe carbene precursor and a weak directing group. Org Biomol Chem 2023; 21:879-909. [PMID: 36562262 DOI: 10.1039/d2ob01835g] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Transition metal-catalyzed cross-coupling of sp2 C-H bonds with diazo compounds via carbene migratory insertion represents an efficient strategy for the construction of C-C and C-heteroatom bonds in organic synthesis. Despite the popularity of diazo compounds as coupling partners in C-H activation, they pose serious safety and stability issues due to potential exothermic reactions linked with the release of N2 gas. However, compared with diazo compounds, sulfoxonium ylides are generally crystalline solids, more stable, widely used in industrial scales, and easier/safer to prepare. Therefore, recent years have witnessed an upsurge in employing α-carbonyl sulfoxonium ylides as an alternative carbene surrogate in transition metal-catalyzed C-H activation. Unlike diazo compounds, α-carbonyl sulfoxonium ylides contain inherent potential to serve as a coupling partner as well as a weak directing group. This review will summarize the progress made in both categories of reactions.
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Affiliation(s)
- Anurag Singh
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Shreemoyee Kumar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Chandra M R Volla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
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21
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Zhang Y, Wang H, Bai J, Liu Q, Cui J, Huang Y. Rh(III)-Catalyzed Synthesis of Amino-isocoumarins with N-Functionalized Cyclic Carbonates via C-H/O-H Annulation. Org Lett 2022; 24:9222-9227. [PMID: 36562178 DOI: 10.1021/acs.orglett.2c03739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A practical method to access amino-isocoumarins catalyzed by a Rh(III) complex through redox-neutral C-H/O-H annulation has been disclosed. The use of N-functionalized cyclic carbonates is crucial to facilitate the catalytic turnover, and a broad spectrum of amino-isocoumarin derivatives were prepared with satisfactory yields. Amino-isocoumarin estrone conjugated with a selenocyano functionality was identified to be nearly four times as active as the marketed drug abiraterone against T47D cancer cells.
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Affiliation(s)
- Yuanfei Zhang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, China.,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Hao Wang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, China
| | - Jintong Bai
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, China
| | - Qiuxia Liu
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, China
| | - Jianguo Cui
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, China
| | - Yanmin Huang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, China
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22
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Wakikawa T, Sekine D, Murata Y, Bunno Y, Kojima M, Nagashima Y, Tanaka K, Yoshino T, Matsunaga S. Native Amide-Directed C(sp 3 )-H Amidation Enabled by Electron-Deficient Rh III Catalyst and Electron-Deficient 2-Pyridone Ligand. Angew Chem Int Ed Engl 2022; 61:e202213659. [PMID: 36305194 DOI: 10.1002/anie.202213659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Indexed: 11/07/2022]
Abstract
Trivalent group-9 metal catalysts with a cyclopentadienyl-type ligand (CpMIII ; M=Co, Rh, Ir, Cp=cyclopentadienyl) have been widely used for directed C-H functionalizations, albeit that their application to challenging C(sp3 )-H functionalizations suffers from the limitations of the available directing groups. In this report, we describe directed C(sp3 )-H amidation reactions of simple amide substrates with a variety of substituents. The combination of an electron-deficient CpE Rh catalyst (CpE =1,3-bis(ethoxycarbonyl)-substituted Cp) and an electron-deficient 2-pyridone ligand is essential for high reactivity.
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Affiliation(s)
- Takumi Wakikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Daichi Sekine
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Yuta Murata
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Youka Bunno
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Yuki Nagashima
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
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23
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Zeng Z, Gao H, Zhou Z, Yi W. Intermolecular Redox-Neutral Carboamination of C–C Multiple Bonds Initiated by Transition-Metal-Catalyzed C–H Activation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Zhongyi Zeng
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
| | - Hui Gao
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
| | - Zhi Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
| | - Wei Yi
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, People’s Republic of China
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24
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Bera S, Sarkar S, Pal J, Samanta R. Rh(III)-Catalyzed Weakly Coordinating 2-Pyridone-Directed Oxidative Annulation Using Internal Alkynes: A Reversal in Selectivity. Org Lett 2022; 24:8470-8475. [DOI: 10.1021/acs.orglett.2c03187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Satabdi Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sanhita Sarkar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Juthi Pal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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25
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Liu J, Jia X, Huang L. Sulfilimines as Transformable and Retainable Directing Groups in Rhodium-Catalyzed ortho-C-H Bond Functionalization. Org Lett 2022; 24:6772-6776. [PMID: 36098745 DOI: 10.1021/acs.orglett.2c02630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Shown herein is the first time that the sulfilimine is utilized as a directing group for Rh(III)-catalyzed C-H activation/annulation with intermolecular and intramolecular alkyne compounds. Sulfilimine serves as a transformable directing group, an internal oxidant, in the annulation with an alkyne moiety via N-S bond cleavage. Notably, the retention of sulfilimine as a directing group is also achieved in the Rh(III)-catalyzed ortho-alkynylation with alkyne bromides.
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Affiliation(s)
- Jiechun Liu
- State Key Laboratory of Pulp and Paper Engineering, Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Xiaoyan Jia
- State Key Laboratory of Pulp and Paper Engineering, Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
| | - Liangbin Huang
- State Key Laboratory of Pulp and Paper Engineering, Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
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26
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Zhu Y, Dai R, Huang C, Zhou W, Zhang X, Yang K, Wen H, Li W, Liu J. Synthesis of Isoquinolone, 1,2-Benzothiazine, and Naphtho[1',2':4,5]imidazo[1,2- a]pyridine Derivatives via Rhodium(III)-Catalyzed (4 + 2) Annulation. J Org Chem 2022; 87:11722-11734. [PMID: 35968716 DOI: 10.1021/acs.joc.2c01376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this study, we report a novel and efficient synthetic method to construct isoquinolone scaffold via the Rh(III)-catalyzed (4 + 2) annulation of benzamide with an unreported coupling reagent methyl 2-chloroacrylate. Accordingly, other valuable 1,2-benzothiazine and naphtho[1',2':4,5]imidazo[1,2-a]pyridine derivatives are also obtained through a similar synthetic protocol. Thus, our developed method is highlighted by high yield and reaction versatility.
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Affiliation(s)
- Yueyue Zhu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Rupeng Dai
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Chaoqun Huang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wang Zhou
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xiaoyuan Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Kundi Yang
- Department of Chemistry and Biochemistry, Miami University, Oxford, Ohio 45056, United States
| | - Hongmei Wen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wei Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jian Liu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
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27
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Pu WY, Chen XY, Dong L. Rh(III)-catalyzed [5+1] spirocyclization to produce novel benzimidazole-incorporated spirosuccinimides. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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28
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Banjare SK, Mahulkar PS, Nanda T, Pati BV, Najiar LO, Ravikumar PC. Diverse reactivity of alkynes in C-H activation reactions. Chem Commun (Camb) 2022; 58:10262-10289. [PMID: 36040423 DOI: 10.1039/d2cc03294e] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Alkynes occupy a prominent role as a coupling partner in the transition metal-catalysed directed C-H activation reactions. Due to low steric requirements and linear geometry, alkynes can effectively coordinate with metal d-orbitals. This makes alkynes one of the most successful coupling partners in terms of the number of useful transformations. Remarkably, by changing the reaction conditions and transition-metals from 5d to 3d, the pattern of reactivity of alkynes also changes. Due to the varied reactivity of alkynes, such as alkenylation, annulation, alkylation, and alkynylation, they have been extensively used for the synthesis of valuable organic molecules. Despite enormous explorations with alkynes, there are still a lot more possible ways by which they can be made to react with M-C bonds generated through C-H activation. Practically there is no limit for the creative use of this approach. In particular with the development of new high and low valent first-row metal catalysts, there is plenty of scope for this chemistry to evolve as one of the most explored areas of research in the coming years. Therefore, a highlight article about alkynes is both timely and useful for synthetic chemists working in this area. Herein, we have highlighted the diverse reactivity of alkynes with various transition metals (Ir, Rh, Ru, Pd, Mn, Fe, Co, Ni, Cu) and their applications, along with some of our thoughts on future prospects.
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Affiliation(s)
- Shyam Kumar Banjare
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute (HBNI), Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Pranav Shridhar Mahulkar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute (HBNI), Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Tanmayee Nanda
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute (HBNI), Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Bedadyuti Vedvyas Pati
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute (HBNI), Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Lamphiza O Najiar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute (HBNI), Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Ponneri C Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute (HBNI), Training School Complex, Anushaktinagar, Mumbai 400094, India
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29
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Sihag P, Jeganmohan M. Rhodium(III)-Catalyzed Redox-Neutral [4 + 1]-Annulation of Unactivated Alkenes with Sulfoxonium Ylides. J Org Chem 2022; 87:11073-11089. [PMID: 35946405 DOI: 10.1021/acs.joc.2c01324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel methodology for redox-neutral [4 + 1] annulation of unactivated alkenes with sulfoxonium ylides leads to the synthesis of a diverse library of indanone compounds. The developed annulation reaction was found to be highly versatile due to its compatibility with various unactivated alkenes functionalized with various sensitive functional groups as well as substituted sulfoxonium ylides. Further, multiple transformations such as ring-expansion, reduction, aldol condensation, and Wittig reaction were carried out with indanones. Using this way, highly useful cyclic heterocycles such as indene, dihydroisocoumarin, and 1-indanilidene were prepared in a single step. A possible reaction mechanism was supported by deuterium labeling studies, competitive studies, and kinetic isotopic studies.
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Affiliation(s)
- Pinki Sihag
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Masilamani Jeganmohan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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30
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Kitano J, Nishii Y, Miura M. Selective Synthesis of C4-Functionalized Benzofurans by Rhodium-Catalyzed Vinylene Transfer: Computational Study on the Cyclopentadienyl Ligand. Org Lett 2022; 24:5679-5683. [PMID: 35900136 DOI: 10.1021/acs.orglett.2c02030] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Benzofuran is a privileged structure in many bioactive compounds; however, the controlled synthesis of C2,C3-nonsubstituted benzofurans has been scarce. In particular, cumbersome multistep processes are inevitable for the most inaccessible C4-substituted isomers. Herein, we report a Rh-catalyzed direct vinylene annulation of readily available m-salicylic acid derivatives with vinylene carbonate to achieve selective construction of C4-substituted benzofurans. The Weinreb amide directing group facilitated the following product derivatization. The reaction mechanism was investigated by DFT calculations.
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Affiliation(s)
- Junya Kitano
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yuji Nishii
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Masahiro Miura
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan
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31
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Sarkar W, Naskar K, Roy S, Mondal I, Karmakar S, Mishra A, Deb I. Regio- and Diastereoselective [3 + 2]-Spiroannulation of Benzoxazines with Chalcones: A Rh(III)-Catalyzed Redox-Neutral Approach to α-Aroyl Spiro-Indanamines. J Org Chem 2022; 87:9988-10002. [PMID: 35830300 DOI: 10.1021/acs.joc.2c00974] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report an atom-economic Rh(III)-catalyzed [3 + 2]-spiroannulation reaction between cyclic ketimines and α,β-unsaturated carbonyl compounds, allowing the synthesis of novel spirocycles with concomitant generation of three stereogenic centers in one pot. The reaction does not require any silver additives or external oxidants and is believed to proceed in a redox-neutral manner. A broad substrate scope with good functional group tolerance permitted the synthesis of a vast spectrum of spirocyclic 1,4-benzoxazine derivatives containing polysubstituted α-aroyl-indanamines in good to excellent yields with high diastereoselectivity.
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Affiliation(s)
- Writhabrata Sarkar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Koushik Naskar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Shantonu Roy
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Imtiaj Mondal
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Sudip Karmakar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Aniket Mishra
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Indubhusan Deb
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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32
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Hirata Y, Sekine D, Kato Y, Lin L, Kojima M, Yoshino T, Matsunaga S. Cobalt(III)/Chiral Carboxylic Acid-Catalyzed Enantioselective Synthesis of Benzothiadiazine-1-oxides via C-H Activation. Angew Chem Int Ed Engl 2022; 61:e202205341. [PMID: 35491238 DOI: 10.1002/anie.202205341] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Indexed: 12/11/2022]
Abstract
Among sulfoximine derivatives containing a chiral sulfur center, benzothiadiazine-1-oxides are important for applications in medicinal chemistry. Here, we report that the combination of an achiral cobalt(III) catalyst and a pseudo-C2 -symmetric H8 -binaphthyl chiral carboxylic acid enables the asymmetric synthesis of benzothiadiazine-1-oxides from sulfoximines and dioxazolones via enantioselective C-H bond cleavage. With the optimized protocol, benzothiadiazine-1-oxides with several functional groups can be accessed with high enantioselectivity.
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Affiliation(s)
- Yuki Hirata
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Daichi Sekine
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Yoshimi Kato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Luqing Lin
- Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, 116024, P. R. China.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
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33
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Nagireddy A, Kotipalli R, Nanubolu JB, Sridhar Reddy M. Rhodium-Catalyzed Coordination-Assisted Regioselective and Migratory Three-Point Double Annulation of o-Alkenyl Phenols with Tertiary Propargyl Alcohols. Org Lett 2022; 24:5062-5067. [PMID: 35815845 DOI: 10.1021/acs.orglett.2c01819] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
We disclose herein a Rh(III)-catalyzed migratory three-point double annulation of o-alkenyl phenols with propargyl alcohols for de novo construction of naphtho furan derivatives in a regio- and chemoselective manner. The protocol orchestrates two new rings with four new bonds in one operation without the need for any additive. Necessary labeled and control experiments are conducted to elucidate the reaction mechanism. A tertiary hydroxyl group is found to be crucial both for controlling the regioselective insertion of alkyne through chelation with rhodium to form a key spiro cyclic intermediate and for forcing ring expansion via unusual and selective olefin reshuffling, apart from forming an extra (furan) ring. The protocol is scalable and shows tolerance for late stage functionalization of natural products.
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Affiliation(s)
- Attunuri Nagireddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Ramesh Kotipalli
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Jagadeesh Babu Nanubolu
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Analytical Department, CSIR-IICT, Hyderabad 500007, India
| | - Maddi Sridhar Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
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34
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Naskar G, Jeganmohan M. Ligand‐Enabled [3+2] Annulation of Aromatic Acids with Maleimides by C(sp
3
)−H and C(sp
2
)−H Bond Activation. Chemistry 2022; 28:e202200778. [DOI: 10.1002/chem.202200778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Indexed: 12/15/2022]
Affiliation(s)
- Gouranga Naskar
- Department of Chemistry Indian Institute of Technology Madras Chennai 600036 Tamil Nadu India
| | - Masilamani Jeganmohan
- Department of Chemistry Indian Institute of Technology Madras Chennai 600036 Tamil Nadu India
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35
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Yoshino T. Enantioselective C–H Functionalization Using High-Valent Group 9 Metal Catalysts. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20220168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12 Nishi-6, Kita-ku, Sapporo 060-0812
- Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-12 Nishi-6, Kita-ku, Sapporo 060-0812
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36
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Pan C, Yuan C, Yu JT. Ruthenium‐Catalyzed C–H Functionalization/Annulation of N‐Aryl Indazoles/Phthalazines with Sulfoxonium Ylides to access Tetracyclic Fused Cinnolines. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Changduo Pan
- Jiangsu University of Technology School of Petrochemical Engineering Changzhou 213164 Changzhou CHINA
| | - Cheng Yuan
- Jiangsu University of Technology School of Chemical and Environmental Engineering CHINA
| | - Jin-Tao Yu
- Changzhou University School of Petrochemical Engineering CHINA
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37
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Hirata Y, Sekine D, Kato Y, Lin L, Kojima M, Yoshino T, Matsunaga S. Cobalt(III)/Chiral Carboxylic Acid‐Catalyzed Enantioselective Synthesis of Benzothiadiazine‐1‐oxides via C−H Activation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuki Hirata
- Faculty of Pharmaceutical Sciences Hokkaido University Kita-ku, Sapporo 060-0812 Japan
| | - Daichi Sekine
- Faculty of Pharmaceutical Sciences Hokkaido University Kita-ku, Sapporo 060-0812 Japan
| | - Yoshimi Kato
- Faculty of Pharmaceutical Sciences Hokkaido University Kita-ku, Sapporo 060-0812 Japan
| | - Luqing Lin
- Zhang Dayu School of Chemistry Dalian University of Technology Dalian 116024 P. R. China
- Global Station for Biosurfaces and Drug Discovery Hokkaido University Kita-ku, Sapporo 060-0812 Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences Hokkaido University Kita-ku, Sapporo 060-0812 Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences Hokkaido University Kita-ku, Sapporo 060-0812 Japan
- Global Station for Biosurfaces and Drug Discovery Hokkaido University Kita-ku, Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences Hokkaido University Kita-ku, Sapporo 060-0812 Japan
- Global Station for Biosurfaces and Drug Discovery Hokkaido University Kita-ku, Sapporo 060-0812 Japan
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38
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Huang G, Yu JT, Pan C. Rhodium‐Catalyzed C–H Activation/Annulation of N‐Aryl‐Pyrazolidinones with Vinylene Carbonate. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Gao Huang
- Changzhou University School of Petrochemical Engineering CHINA
| | - Jin-Tao Yu
- Changzhou University School of Petrochemical Engineering Changzhou 213000 Changzhou CHINA
| | - Changduo Pan
- Jiangsu University of Technology School of chemical and environmental engineering CHINA
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39
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Kumar P, Kapur M. Ruthenium-catalyzed oxidative coupling of vinylene carbonate with isoxazoles: access to fused anthranils. Chem Commun (Camb) 2022; 58:4476-4479. [PMID: 35297924 DOI: 10.1039/d2cc01048h] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A ruthenium-catalyzed oxidative coupling of vinylene carbonate with isoxazoles has been developed to achieve the direct C-H formylmethylation of a diverse array of arylisoxazoles utilizing the isoxazole ring as the directing group. A simple manipulation of the established reaction conditions leads to the formation of fused-anthranils. Importantly, the vinylene carbonate functions as both a formylmethyl cation equivalent through a decarboxylation process and an acetylene equivalent. Control experiments were conducted to elucidate a plausible mechanism. This methodology is expected to provide a facile and expeditious approach for the synthesis of formylmethyl isoxazoles and fused-anthranils.
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Affiliation(s)
- Pravin Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal Bypass Road, Bhopal 462066, MP, India.
| | - Manmohan Kapur
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal Bypass Road, Bhopal 462066, MP, India.
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40
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Direct Synthesis of Vinylene Carbonates from Aromatic Aldehydes. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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41
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Yin F, Peng W, Wang C, Qu L, Chen X, Kong L, Wang X. Rhodium(III)‐ Catalyzed Cleavage of C‐C Bond and C‐H Bond Cascaded by Michael Addition for the Conversion of α‐Hydroxy Ketones to Phthalides and Isocoumarins. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Fucheng Yin
- China Pharmaceutical University School of Traditional Chinese Pharmacy Nanjing CHINA
| | - Wan Peng
- China Pharmaceutical University State Key Laboratory of Natural Medicines Nanjing CHINA
| | - Cheng Wang
- China Pharmaceutical University State Key Laboratory of Natural Medicines Nanjing CHINA
| | - Lailiang Qu
- China Pharmaceutical University State Key Laboratory of Natural Medicines Nanjing CHINA
| | - Xinye Chen
- China Pharmaceutical University State Key Laboratory of Natural Medicines Nanjing CHINA
| | - Lingyi Kong
- China Pharmaceutical University State Key Laboratory of Natural Medicines Nanjing CHINA
| | - Xiaobing Wang
- China Pharmaceutical University Department of Natural Medicinal Chemistry No. 24Tong Jia Xiang 210009 Nanjing CHINA
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42
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Dey A, Singh A, Volla CMR. Cobalt-catalyzed highly diastereoselective [3 + 2] carboannulation reactions: facile access to substituted indane derivatives. Chem Commun (Camb) 2022; 58:1386-1389. [PMID: 34989718 DOI: 10.1039/d1cc05245d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Efficient oxidative [3 + 2] annulation reaction involving aryl hydrazones and heterobicyclic alkenes has been realized with inexpensive and earth-abundant cobalt salts under aerobic conditions. The reaction proceeds via directing-group-assisted C-H activation and exo-selective migratory insertion, followed by the intramolecular nucleophilic attack of the alkylcobalt(III) species onto the imine with high anti-diastereoselectivity to provide complex indane derivatives. The generation of three contiguous stereogenic centers within the indanyl unit and the avoidance of the use of stoichiometric amounts of metal oxidants make this transformation more valuable and appealing.
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Affiliation(s)
- Arnab Dey
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Anurag Singh
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Chandra M R Volla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
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43
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Yu Y, Wang Y, Li B, Tan Y, Zhao H, Li Z, Zhang C, Ma W. Ruthenium‐Catalyzed Vinylene Carbonate Annulation by C−H/N−H Functionalizations: Step‐Economical Access to Indoles. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101466] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Yao Yu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Yang Wang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Bo Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Yuqiang Tan
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Huan Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Zheyu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Chunran Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
| | - Wenbo Ma
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University Chengdu 610052 People's Republic of China
- State Key Laboratory of Biotherapy and Cancer Center West China Hospital Sichuan University Chengdu Sichuan 610041 People's Republic of China
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44
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Liu J, Xiao X, Lai Y, Zhang Z. Recent advances in transition metal-catalyzed heteroannulative difunctionalization of alkenes via C-H activation for the synthesis of heterocycles. Org Chem Front 2022. [DOI: 10.1039/d2qo00081d] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterocyclic compounds are the fundamental structural motifs distributed in natural products, pharmaceuticals and biologically active compounds. Thus, there is increasing interest in the development of novel synthetic strategies for the...
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45
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Chen YJ, Xu HB, Liu H, Dong L. Highly-selective synthesis of functionalized spirobenzofuranones and diketones. Org Chem Front 2022. [DOI: 10.1039/d2qo00677d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A convenient and atom-economical rhodium(iii)-catalyzed highly-selective hydroacylation for the synthesis of spirobenzofuranones and diketones has been successfully developed.
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Affiliation(s)
- Yin-Jun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Hui-Bei Xu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Hao Liu
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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46
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Li W, Zhang M, Yan J, Ni L, Cao H, Liu X. Transition metal- and oxidant-free [3 + 2] cyclization of azomethine imines utilizing vinylene carbonate as dual synthons. Org Chem Front 2022. [DOI: 10.1039/d2qo00308b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A transition metal- and oxidant-free C–C/C–N annulation of azomethine imines with vinylene carbonate as dual synthons under simple reaction conditions is described herein.
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Affiliation(s)
- Wen Li
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Mengqi Zhang
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Jin Yan
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Linying Ni
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Hua Cao
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Xiang Liu
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Center, Guangdong Pharmaceutical University, Zhongshan 528458, China
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47
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Nagireddy A, Dattatri, Kotipalli R, Nanubolu JB, Reddy MS. Rhodium-Catalyzed Regioselective Double Annulation of Enaminones with Propargyl Alcohols: Rapid Access to Arylnapthalene Lignan Derivatives. J Org Chem 2021; 87:1240-1248. [PMID: 34965126 DOI: 10.1021/acs.joc.1c02575] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We present here a rhodium-catalyzed oxidative three-point double annulation of enaminones with propargylic alcohols via a C-H and a C-N bond activation to access arylnaphthalene-based lignan derivatives. The key step in the reaction is the regioselective insertion of propargylic alcohol into the rhoda-cycle, a result of hydroxyl rhodium coordination. Necessary control experiments and KIE studies were conducted to determine the mechanism.
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Affiliation(s)
- Attunuri Nagireddy
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Dattatri
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Ramesh Kotipalli
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | | | - Maddi Sridhar Reddy
- Department of Oraganic Syntheis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad 201002, India
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48
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Tanaka R, Hirata Y, Kojima M, Yoshino T, Matsunaga S. Cp*Rh(III)/boron hybrid catalysis for directed C-H addition to β-substituted α,β-unsaturated carboxylic acids. Chem Commun (Camb) 2021; 58:76-79. [PMID: 34874388 DOI: 10.1039/d1cc05956d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The C-H bond addition reaction of 2-phenylpyridine derivatives with α,β-unsaturated carboxylic acids catalyzed by Cp*Rh(III)/BH3·SMe2 is reported. Activation of C-H bonds with the rhodium catalyst and activation of α,β-unsaturated carboxylic acids with the boron catalyst cooperatively work, and a BINOL-urea hybrid ligand significantly improved the reactivity. With the optimized hybrid catalytic system, various β-disubstituted carboxylic acids were obtained under mild reaction conditions.
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Affiliation(s)
- Ryo Tanaka
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Yuki Hirata
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan. .,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Sapporo 060-0812, Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan. .,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Sapporo 060-0812, Japan
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Choi I, Messinis AM, Hou X, Ackermann L. A Strategy for Site‐ and Chemoselective C−H Alkenylation through Osmaelectrooxidative Catalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Isaac Choi
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh) Georg-August-Universität Tammanstraße 2 37077 Göttingen Germany
| | - Antonis M. Messinis
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh) Georg-August-Universität Tammanstraße 2 37077 Göttingen Germany
| | - Xiaoyan Hou
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh) Georg-August-Universität Tammanstraße 2 37077 Göttingen Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh) Georg-August-Universität Tammanstraße 2 37077 Göttingen Germany
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50
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Choi I, Messinis AM, Hou X, Ackermann L. A Strategy for Site- and Chemoselective C-H Alkenylation through Osmaelectrooxidative Catalysis. Angew Chem Int Ed Engl 2021; 60:27005-27012. [PMID: 34665924 PMCID: PMC9298884 DOI: 10.1002/anie.202110616] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Indexed: 01/06/2023]
Abstract
Herein, we disclose osmaelectrocatalyzed C-H activations that set the stage for electrooxidative alkyne annulations by benzoic acids. The osmium electrocatalysis enables site- and chemoselective electrooxidative C-H activations with unique levels of selectivity. The isolation of unprecedented osmium(0) and osmium(II) intermediates, along with crystallographic characterization and analyses by spectrometric and spectroscopic in operando techniques delineate a synergistic osmium redox catalyst regime. Detailed mechanistic studies revealed a facile C-H cleavage, which allows for an ample substrate scope, providing provide robust and user-friendly access to annulated heterocycles.
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Affiliation(s)
- Isaac Choi
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
| | - Antonis M. Messinis
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
| | - Xiaoyan Hou
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
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