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Catalytic asymmetric synthesis of sulfur-containing atropisomers by C-S bond formations

Science China Chemistry 2023年第12期66卷 3331-3346页

作者： Ren-Fei Cao Zhi-Min Chen School of Chemistry and Chemical Engineering Shanghai Key Laboratory for Molecular Engineering of Chiral DrugsShanghai Jiao Tong UniversityShanghai 200240China

Chiral organosulfur compounds are not only widely distributed in bioactive natural products and pharmaceuticals,but also play a significant role in chiral ligands/*** the history of synthetic organic chemistry,chemists have been absorbed in the construction of centrally chiral organosulfur ***,there are relatively few reports on installing sulfur functional groups into axially chiral *** is one of the fundamental phenomena in nature,which ubiquitously exists in natural *** more than a century of development,atropisomers have been designed and extensively applied to pharmaceuticals,functional materials and chiral ligands/*** to the importance of chiral sulfurcontaining atropisomers,there is an increasing demand for enantioselective synthesis of ***,a diversity of approaches by C-S bond formations have been established for the construction of enantioenriched sulfur-containing atropisomers,however,there is no comprehensive review to summarize this great *** this mini-review,we summarize recent progress in catalytic asymmetric synthesis of sulfur-containing atropisomers by C-S bond formations,which includes sulfur nucleophilic reactions,sulfur electrophilic reactions and sulfur radical ***,the reaction mechanisms are also *** hope that this mini-review will enable more researchers to further explore this field.

关键词： atropisomers asymmetric catalysis C-S bond formations chiral organosulfur compounds

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Stereoselective construction of atropisomers featuring a C-N chiral axis

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Green Synthesis and Catalysis 2022年第2期3卷 117-136页

作者： Yong-Jie Wu Gang Liao Bing-Feng Shi Center of Chemistry for Frontier Technologies Department of ChemistryZhejiang UniversityHangzhou 310027China Green Catalysis Center College of ChemistryZhengzhou UniversityZhengzhou 450001China Department of Chemistry National University of SingaporeSingapore 117543Singapore School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiang 453007China

Atropisomeric C-N compounds belong to an important class of axially chiral ***,whereas the asymmetric synthesis of biaryl atropisomers have been well established,general and efficient strategies to access single enantiomers of C-N atropisomers are still *** recently,innovative methods have been developed,providing new opportunities for the highly stereoselective synthesis of this vital class of ***,we comprehensively summarize the development in this emerging field and give some insights into future *** is placed on the synthetic strategies.

关键词： atropisomers C-N Chiral axis Asymmetric synthesis Stereoselectivity

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Construction of axially chiral compounds via catalytic asymmetric radical reaction

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Green Synthesis and Catalysis 2022年第3期3卷 212-218页

作者： Dong Liang Wenjing Xiao Sami Lakhdar Jiarong Chen CCNU-uOttawa Joint Research Centre Key Laboratory of Pesticides&Chemical Biology Ministry of EducationCollege of ChemistryCentral China Normal UniversityWuhan 430079China CNRS/Universite Paul Sabatier Laboratoire Heterochimie Fondamentale et AppliqueeToulouse 31062France

The chemistry of axially chiral compounds has emerged as a subject of increasing interest due to their widespread presence in natural products,bioactive molecules,advanced materials,and chiral ligands/*** the other hand,catalytic asymmetric radical-based transformations provide a complementary platform for the construction of enantiomerically enriched molecules that are in growing demand in the chemical and pharmaceutical *** recent years,considerable research efforts have been devoted to the development of catalytic asymmetric radical reactions for the construction of axially chiral compounds based on the unique reactivity modes of diverse *** this review,we critically illustrate these recent achievements according to different radical precursors and catalytic activation *** possible,special emphasis is also placed on the discussion of mechanistic features underlying these works and substrate *** review should be of great interest to the experts in this area,but also serve as a helpful starting point for new researchers in this field.

关键词： Axially chiral compounds Radical reactions Catalytic asymmetric synthesis atropisomers Chiral allenes Photocatalysis

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