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Yang Z, Liu J, Xie LG. Stabilized Carbon-Centered Radical-Mediated Carbosulfenylation of Styrenes: Modular Synthesis of Sulfur-Containing Glycine and Peptide Derivatives. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2402428. [PMID: 38852190 DOI: 10.1002/advs.202402428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/27/2024] [Indexed: 06/11/2024]
Abstract
Sulfur-containing amino acids and peptides play critical roles in organisms. Thiol-ene reactions between the thiol residues of L-cysteine and the alkenyl fragments in the designed coupling partners serve as primary tools for constructing C─S bonds in the synthesis of unnatural sulfur-containing amino acid derivatives. These reactions are favored due to the preference for hydrogen transfer from thiol to β-sulfanyl carbon radical intermediates. In this paper, the study proposes utilizing carbon-centered radicals stabilized by the capto-dative effect, generated under photocatalytic conditions from N-aryl glycine derivatives. The aim is to compete with the thiol hydrogen, enabling radical C─C bond formation with β-sulfanyl carbon radicals. This protocol is robust in the presence of air and water, offers significant potential as a modular and efficient platform for synthesizing sulfur-containing amino acids and modifying peptides, particularly with abundant disulfides and styrenes.
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Affiliation(s)
- Zihui Yang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Jia Liu
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Lan-Gui Xie
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
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Wang Y, Lin C, Zhang Z, Shen L, Zou B. Directed Nickel-Catalyzed Selective Arylhydroxylation of Unactivated Alkenes under Air. Org Lett 2023; 25:2172-2177. [PMID: 36946921 DOI: 10.1021/acs.orglett.3c00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
An expeditious and novel nickel-catalyzed selective arylhydroxylation of unactivated alkenes with arylboronic acids was developed. This protocol is compatible with β,γ- and γ,δ-alkene amides, including traditionally challenging internal alkenes, to provide important β-arylethylalcohol scaffolds. The free hydroxyl group in the final product could be smoothly further transformed into other functional groups. Control experiments indicated that the oxygen atom of the hydroxyl group in the product is derived from the oxygen in the air.
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Affiliation(s)
- Yihua Wang
- College of Chemistry and Chemical Engineering, Jiangxi Science & Technology Normal University, Nanchang 330013, China
| | - Cong Lin
- College of Chemistry and Chemical Engineering, Jiangxi Science & Technology Normal University, Nanchang 330013, China
| | - Zongxu Zhang
- College of Chemistry and Chemical Engineering, Jiangxi Science & Technology Normal University, Nanchang 330013, China
| | - Liang Shen
- Jiangxi Engineering Laboratory of Waterborne Coatings, College of Chemistry and Chemical Engineering, Jiangxi Science & Technology Normal University, Nanchang 330013, China
| | - Boya Zou
- College of Chemistry and Chemical Engineering, Jiangxi Science & Technology Normal University, Nanchang 330013, China
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Wu X, Turlik A, Luan B, He F, Qu J, Houk KN, Chen Y. Nickel-Catalyzed Enantioselective Reductive Alkyl-Carbamoylation of Internal Alkenes. Angew Chem Int Ed Engl 2022; 61:e202207536. [PMID: 35818326 PMCID: PMC9427719 DOI: 10.1002/anie.202207536] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Indexed: 12/16/2022]
Abstract
Herein, we leverage the Ni-catalyzed enantioselective reductive dicarbofunctionalization of internal alkenes with alkyl iodides to enable the synthesis of chiral pyrrolidinones bearing vicinal stereogenic centers. The application of newly developed 1-Nap Quinim is critical for formation of two contiguous stereocenters in high yield, enantioselectivity, and diastereoselectivity. This catalytic system also improves both the yield and enantioselectivity in the synthesis of α,α-dialkylated γ-lactams. Computational studies reveal that the enantiodetermining step proceeds with a carbamoyl-NiI intermediate that is reduced by the Mn reductant prior to intramolecular migratory insertion. The presence of the t-butyl group of the Quinim ligand leads to an unfavorable distortion of the substrate in the TS that leads to the minor enantiomer. Calculations also support an improvement in enantioselectivity with 1-Nap Quinim compared to p-tol Quinim.
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Affiliation(s)
- Xianqing Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Aneta Turlik
- Department of Chemistry and Biochemistry, University of California, Los Angeles
| | - Baixue Luan
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Feng He
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - K. N. Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
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Wu X, Turlik A, Luan B, He F, Qu J, Houk KN, Chen Y. Nickel‐Catalyzed Enantioselective Reductive Alkyl‐Carbamoylation of Internal Alkenes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207536] [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)
- Xianqing Wu
- East China University of Science and Technology school of chemistry and molecular engeering CHINA
| | - Aneta Turlik
- UCLA: University of California Los Angeles Department of Chemistry and Biochemistry UNITED STATES
| | - Baixue Luan
- East China University of Science and Technology school of chemistry and molecular engineering CHINA
| | - Feng He
- East China University of Science and Technology school of chemistry and molecular engeering CHINA
| | - Jingping Qu
- East China University of Science and Technology school of chemistry and molecular engineering CHINA
| | - Kendall N. Houk
- University of California, Los Angeles 607 Charles E Young Drive East 90095 Los Angeles UNITED STATES
| | - Yifeng Chen
- East China University of Science and Technology School of Chemistry and Molecular Engineering 130 Meilong Road 200237 Shanghai CHINA
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