云南高校图书馆联盟文献共享服务平台- DIASTEREOSELECTIVITY

DIASTEREOSELECTIVITY: 作品数：46被引量：18H指数：3; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨欣田之悦薛英何芬更多>>; 相关机构：四川大学更多>>; 相关期刊：《Journal of Donghua University(English Edition)》《Science China Chemistry》《Chemical Research in Chinese Universities》《Science Bulletin》更多>>; 相关基金：国家自然科学基金中国博士后科学基金福建省自然科学基金国家重点基础研究发展计划更多>>

Solvent-or Base-Controlled Diastereoselectivity and Chemoselectivity for the Reaction of Ketenimine Zwitterionic Salts: 《Chinese Journal of Chemistry》2025年第1期67-72,共6页Weiguang Yang Guanrong Li Zixin Huang Qiaoli Luo Hui Luo; Scientific Research Project of General Universities in Guangdong Province(2023KTSCX036);Science and Technology Planning Program of Zhanjiang(2023B01015)for support.; Ketenimine zwitterionic salt(KZS),a novel and stable ketenimine precursor,is still underexplored in the realm of chemical synthesis.In this study,we demonstrate the transformation of pyrrole derivatives through the cy...; 关键词：DIASTEREOSELECTIVITY CHEMOSELECTIVITY Ketenimine zwitterionic salts Solvent-controlled Base-controlled α-Aminoketones 2-Aminopyrrole 3-Hydroxypyrrolidine Cyclization

En Route to Diastereopure Polycyclic γ-Lactones by Iridium-Catalyzed Hydride Transfer: 《Chinese Journal of Chemistry》2024年第23期3047-3055,共9页Yang Chen Jingyu Zhang Yecheng Wang Hongguang Du Jiaxi Xu Zhanhui Yang; supported by the National Key Research and Development Program of China(No.2022YFF0709803);Natural Science Foundation of Beijing Municipality(No.2202041);the High Performance Computing Platform of Beijing University of Chemical Technology(BUCT).; The reductive lactonization strategy provides an efficient access to diastereoenriched polycyclicγ-lactones.However,it is still a formidable challenge to develop an efficient and versatile protocol with excellent lev...; 关键词：Iridium catalysis Hydride transfer Reductive lactonization Diastereoselectivity control Polycyclic y-lactones Methodology and reactions Sterichindrance Reduction

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

Photocatalytic[3+2]Cycloaddition of Alkyl/aryl Iodides and Internal Alkynes by Merging Halogen and Hydrogen Atom Transfer: 《Chinese Journal of Chemistry》2024年第19期2329-2334,共6页Zhenyu Gu Rong Jia Tianqing Zeng Hanliang Zheng Gangguo Zhu; supported by the Natural Science Foundation of Zhejiang Province(LZ20B020001 and LY23B020004);the Ten Thousand Talents Plan of Zhejiang Province(2020R52021);the Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang Province(2022R01007);the National Natural Science Foundation of China(22371262,22071218,and 22203076).; Comprehensive Summary A visible light photocatalytic[3+2]cycloaddition of alkynes with readily accessible organic iodides as the C3 synthon is developed herein.By merging halogen atom transfer(XAT)and hydrogen atom tr...; 关键词：Photocatalysis Halogen atom transfer Hydrogen atom transfer [3+2]cycloaddition CYCLOPENTANE Carbocycles Radical reactions DIASTEREOSELECTIVITY

Modular Synthesis of Multi-substituted Cyclobutanones Enabled by Oxyallyl Cations: 《Chinese Journal of Chemistry》2024年第5期459-463,共5页Meng Wang Zhonggui Wang Ping Lu; supported by the National Natural Science Foundation of China(22071028,21921003).; Stereoselective synthesis of multi-substituted cyclobutanes with different substituents is still a daunting challenge in organic synthesis.We report here a practical and facile approach to synthesizing all-trans 2,3,4...; 关键词：DIASTEREOSELECTIVITY Modular synthesis Nucleophilic substitution Organohalides Oxyallyl cation Precision functionalization Strained molecules 1 2 3 4-Tetrasubstituted cyclobutanes

Tunable Unsymmetrical Chiral N-Heterocyclic Carbene Ligands for Highly Diastereo-and Enantioselective Copper-Catalyzed Tandem Borylative Cyclization:Ligand Controlled Diastereoselectivity Reversal被引量：2: 《CCS Chemistry》2023年第9期2088-2100,共13页Jiahong Han Yan-Mei He Yixiao Pan Faju Li Dongyu Li Wei Hao Qing-Hua Fan; the National Key R&D Program of China(grant no.2021YFA1500200);the National Natural Science Foundation of China(grant nos.92056108 and 92256303)for financial support.; A distinct class of C1-symmetric N-heterocyclic carbene(NHC)ligands possessing a chiral fused tetrahydroquinoline ring and a chiral N-arylmethyl group was designed and synthesized via an asymmetric catalytic synthesis...; 关键词：N-heterocycliccarbenes asymmetricca-talysis boron copper tandemreaction tetrahy-droquinolines

Stereoselective construction of azepine-containing bridged scaffolds via organocata-lytic bicyclization of yne-allenone esters with nitrones: 《Chinese Chemical Letters》2023年第4期309-312,共4页Meng-Fan Li Shao-Qing Shi Ting Xu Qian Zhang Wen-Juan Hao Shu-Liang Wang Jianyi Wang Shu-Jiang Tu Bo Jiang; financial support from the National Natural Science Foundation of China (Nos. 21871112 and 21971090)。; A new organocatalytic double annulation cascade involving scission/recombination of N-O bonds of nitrones is reported for the first time, and used to produce a range of hitherto unprecedented tricyclic bridged-fused b...; 关键词：BICYCLIZATION DIASTEREOSELECTIVITY Organocatalysis Bridged heterocycles YNE-allenone esters NITRONES

Stereodirecting Effects of 4-O-ortho-cyanobenzyl Ether on Chemical Glycosylation with Glucopyranosyl Donor: 《Chinese Journal of Chemistry》2023年第6期651-656,共6页Han Zhang Aoxin Guo Youhui Meng Yue Wang Jian Gao Xue-Wei Liu; This work was supported by the National Natural Science Foundation of China(22177060);the Young Scholars Program of Shandong University(2018WLJH41);the Central Government Guide Local Science and Technology Development Funds(No.YDZX20203700002579).; Here we report a systematic investigation on the stereodirecting effects of a 4-O-ortho-cyanobenzyl ether(oBCN)group with a glucopyranosyi donor.Experimental studies revealed that the glycosylation reactions using thi...; 关键词：GLYCOSYLATION OLIGOSACCHARIDES DIASTEREOSELECTIVITY Cyanobenzyl ether Hydrogen bonds

Multi-enzyme cascade for sustainable synthesis of L-threo-phenylserine by modulating aldehydes inhibition and kinetic/thermodynamic controls: 《Systems Microbiology and Biomanufacturing》2022年第4期705-715,共11页Yuansong Xiu Guochao Xu Ye Ni; We are grateful to the National Key Research and Development Program(2021YFC2102700);the National Natural Science Foundation of China(22077054,22078127);the National First-Class Discipline Program of Light Industry Technology and Engineering(LITE2018-07);Program of Introducing Talents of Discipline to Universities(111-2-06)for the financial support of this research.; l-Threonine transaldolase could catalyze the transaldolation of l-threonine and aldehyde to generateβ-hydroxy-α-amino acids with high diastereoselectivity.A novel l-threonine transaldolase(PmLTTA)was identified from...; 关键词：L-Thronine transaldolase l-Threo-phenylserine Reaction optimization Cascade reaction DIASTEREOSELECTIVITY

Stereoselective Synthesis of a Tetrasaccharide Fragment from RhamnogalacturonanⅡSide Chain A: 《Chinese Journal of Chemistry》2022年第15期1799-1806,共8页Jin-Cai Lei Yuan-Yuan Jiang Yi-Fei Xia Qing Fang Shi-Chao Duan Yu-Xiong Ruan Jin-Song Yang; We appreciatethe National Natural Science Foundation of China(Nos.21921002,22177082);the Ministry of Science and Technology of China(2017ZX09101003-005-004)for financial support.; Comprehensive Summary An efficient synthesis of a complex tetrasaccharide fragment 1 structurally related to rhamnogalacturonan ll side chain A has been accomplished through a stepwise glycosylation strategy.Challenge...; 关键词：RhamnogalacturonanⅡ GLYCOSYLATION Synthesis OLIGOSACCHARIDE DIASTEREOSELECTIVITY

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

DIASTEREOSELECTIVITY

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

DIASTEREOSELECTIVITY

检索结果分析

下载全文

用户登录

高级检索检索式检索