云南高校图书馆联盟文献共享服务平台- STEREOSELECTIVE

STEREOSELECTIVE: 作品数：188被引量：85H指数：4; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨尚东王刚伟姚璐王春江李俊更多>>; 相关机构：中国科学院北京大学大连理工大学武汉大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金教育部留学回国人员科研启动基金更多>>

Cobalamin-dependent radical S-adenosyl-L-methionine protein functions with a partner to successively methylate tricyclic indole alkaloid for chuangxinmycin maturation and derivatization: 《Science China Chemistry》2025年第1期308-316,共9页Sili Wang Jiancheng Huang Yanan Du Wei Huang Yufeng Xue Xiaokun Xu Guannan Zhong Yuanyuan Shi Bin Hong Xiaoying Bian Wen Liu; supported in part by the National Key Research and Development Program of China(2022YFC2303100);the National Natural Science Foundation of China(32030002,22193070);the Shanghai Post-Doctoral Excellence Program(2022718)。; Cobalamin(Cbl)-dependent radical S-adenosyl-L-methionine(SAM)proteins constitute the largest collection of the radical SAM superfamily that has hundreds of thousands of individual members.Many of these proteins are in...; 关键词：cbl-dependent radical SAM protein biosynthesis chuangxinmycin stereoselective methylation

Stereoselective synthesis of 2-deoxy-α-C-glycosides from glycals: 《Chinese Chemical Letters》2024年第12期422-426,共5页Hongjin Shi Guoyin Yin Xi Lu Yangyang Li; supported by grants from the Fundamental Research Funds for Central Universities(No.2042021kf0190)。; 2-Deoxy-α-C-Glycosides are a significant class of carbohydrates found in numerous bioactive molecules and medicines.Developing a concise strategy for the assembly of theseα-configured C-glycosides is crucial in the ...; 关键词：Nickel catalysis STEREOSELECTIVITY 2-Deoxy-α-C-glycosides Glycals Cross-coupling reaction

Highly enantio-stereoselective Ni-catalyzed reductive cyclization to cyclopentanes with chiral quaternary centres of trisubstituted allylic siloxanes: 《Green Synthesis and Catalysis》2024年第4期282-289,共8页Wanjun Chen Xinlong Yan Lin Fan Xu Guo Jian Yang Yiming Chen Shaofang Zhou Guodu Liu; financial support provided by the National Natural Science Foundation of China(No.22061032);Natural Science Foundation of Inner Mongolia(Nos.2020MS02022,and 2022QN02005);Science and Technology Program of Inner Mongolia(No.2020GG0134);Opening-fund from State Key Laboratory of Bio-organic and Natural Products Chemistry of SIOC(No.21300-5206002);“JUN-MA”Highlevel Talents Program of Inner Mongolia University(No.21300-5185121);“Grassland Talents”Program of Inner Mongolia(No.12000-12102414);High-level Recruit Program of Inner Mongolia(No.12000-13000603);Key Project at Central Government Level:the ability establishment of sustainable use for valuable Chinese medicine resources(No.2060302)is sincerely acknowledged。; The construction of chiral quaternary carbon stereocenters is a significant challenge in asymmetric synthesis.Catalytic synthesis of these structures with trisubstituted allylic alcohols is highly important. However, ...; 关键词：All carbon 1 6-alkynone Ni-catalyzed reductive cyclization Stereoselective asymmetric catalysis Cyclopentane with chiral allylic quaternary stereocenter P-Chiral monophosphine ligand

Stereoselective Gridization of Ladder-Type Grids with Four Chiral Centers: 《Chinese Journal of Chemistry》2024年第24期3343-3348,共6页Yang Li Yueting Pu Zheng Zhang Fangju Tao Xiaoyan Li Jingrui Zhang Xin Chen Yuezheng Gao Ying Wei Linghai Xie; the National Natural Science Foundation of China(22071112 and 22275098);the Project of State Key Laboratory of Organic Electronics and Information Displays,Nanjing University of Posts and Telecommunications(GDX2022010005 and GZR2022010011);the Postgraduate Technology&Practice Innovation Program of Jiangsu Province(KYCX22_0902).; To address the stereoselective synthesis challenge inπ-stacked grids with four chiral centers,we utilized coplanar and highly rigid 11,12-dihydroindeno[2,1-a]fluorene-11,12-diol and 2,2'-bithiophene as synthons,emplo...; 关键词：STEREOSELECTIVITY DIASTEREOSELECTIVITY C-C coupling Friedel-Crafts gridization Macrocycles Four chiral centers Supramolecular interactions Steric effect

Photoredox-Catalyzed Metal-Free Regio-&Stereoselective C(sp^(2))-H Amination of Enamides with N-Aminopyridium Salts: 《Chinese Journal of Chemistry》2024年第18期2235-2242,共8页Zheng-Bao Qin Kun Ni Li Wang Xiao-Di Wu Yu Zhang Kai Zhao; the financial support from the National Natural Science Foundation of China(21801129,22078153 and 22378201);National Key Research and Development Program of China(2022YFB3805603);Natural Science Research Projects in Jiangsu Higher Education Institutions(18KJB150018);Nanjing Tech University(Start-up Grant Nos.39837137,39837101 and 3827401739)for financial support.; A visible-light-induced photoredox-catalyzed regioselective and stereoselective C(sp')-H amination of enamides with bench-stable and A visible-light-induced photoredox-catalyzed regioselective and stereoselective C(sp...; 关键词：ENAMIDES AMINATION Photoredox catalysis REGIOSELECTIVE STEREOSELECTIVE METAL-FREE

Stereoselective Self-Assembly of Chiral Metalla[2]Catenanes and Lemniscular Macrocycles: 《CCS Chemistry》2024年第8期2000-2010,共11页Shu-Jin Bao Hai-Ning Zhang Guo-Xin Jin; the National Science Foundation of China(grant nos.22031003 and 21720102004);the Shanghai Science Technology Committee,China(grant no.19DZ2270100);the Shanghai Post-doctoral Excellence Program,China(grant no.2022009).; Designing and stereoselectively constructing chiral mechanically interlocked molecules(MIMs)is a goal that many chemists are pursuing due to their potential in the development of functional molecular machines involved...; 关键词：stereoselective synthesis CHIRALITY catenanes twisted macrocycles aminoacid residues

Stereoselectiveα-Glycosylation with GlcN_(3)Donors Enabled Collective Syntheses of Acinetobacter baumannii Capsular Polysaccharides K43,K47 and K88 Repeating Units: 《Chinese Journal of Chemistry》2024年第14期1593-1598,共6页Kunxiu Shou Shanshan Liu Yunqin Zhang Guozhi Xiao; supports from National Natural Science Foundation of China(22322110);the CAS Pioneer Hundred Talents Program(No.2017-128);Yunnan Province Science and Technology Department(202305AH340005);the Young Talents Project of High-level Talent Introduction Program of Yunnan Province are greatly acknowledged。; Collective syntheses of A.baumannii CPS K43,K47 and K88 repeating units have been accomplished via a newα-glycosylation method with GlcN_(3) as donors,which features:1)mild reaction conditions,2)good to high yields,3...; 关键词：A baumanni CPS α-Glycosylation method One-pot glycosylation 1 2-GlcN bonds Glycosyl ortho-(1-phenylvinyl)benzoates Carbohydrates OLIGOSACCHARIDES Total synthesis

Biocatalytic stereoselective synthesis of methyl mandelates by engineering a cytochrome P450 hydroxylase: 《Green Synthesis and Catalysis》2024年第2期88-93,共6页Lingzhi Xie Yun Zhang Ruyue Zhang Haibo Cui Baodong Cui Wenyong Han Nanwei Wan Zhi Li Yongzheng Chen; supported by the National Natural Science Foundation of China(Nos.21961048 and 32271537);Science and Technology Department of Zunyi(Nos.ZSKRPT-2020-5,ZSKH-2018-3 and ZSKRPT-2021-5).; Chiral methyl mandelates are useful synthons in organic transformation and pharmaceutical synthesis.Green synthesis of these valuable compounds by direct C–H activating oxidative hydroxylation has attracted keen inte...; 关键词：Bio-hydroxylation Directed evolution Cytochrome P450 High-throughput screening Methyl mandelates

Organic Brønsted Acid-Catalyzed Stereoselective Cationic RAFT Polymerization:The Effect of RAFT Agents: 《Chinese Journal of Polymer Science》2024年第6期711-717,共7页Zheng-Yi Zhang Zan Yang Yun Liao Sai-Hu Liao; supported by the Recruitment Program of Global Experts of China,the National Natural Science Foundation of China(Nos.21602028 and 22371240);Beijing National Laboratory for Molecular Sciences(No.BNLMS201913);100-Talent program of Fujian,Fuzhou University and Xiamen University.; The tacticity of vinyl polymers is a key factor affecting the properties of materials.Recently,organic Brønsted acids have been demonstrated as effective catalysts for the development of highly stereoselective cationi...; 关键词：Bronsted acid catalysis Stereoselective cationic polymerization RAFT polymerization Chain transfer agents TACTICITY

Stereoselective synthesis of substituted 1,3-dienes from propargylic esters: electrophilic-metal or redox catalysis?: 《Science China Chemistry》2024年第5期1384-1396,共13页Mengfu Dai Liangliang Song Liang-An Chen; supported by the National Natural Science Foundation of China (22071111);the Jiangsu Specially Appointed Professor Plan;the Natural Science Foundation of Jiangsu Province(BK20201368, BK20220409);the Postgraduate Research&Practice Innovation Program of Jiangsu Province (KYCX23_1683)。; 1,3-Diene architectures are not only widely present in natural products, pharmaceuticals, and functional organic materials but also serve as versatile building blocks to furnish important functionalized molecules in s...; 关键词：1 3-diene propargylic ester Lewis acid redox catalysis transition metal

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