Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Ke Fang Yang"'
Autor:
Xing-Wei Gu, Yu-Li Sun, Jia-Le Xie, Xing-Ben Wang, Zheng Xu, Guan-Wu Yin, Li Li, Ke-Fang Yang, Li-Wen Xu
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-9 (2020)
Catalytic asymmetric hydrosilylation of internal alkenes has proven elusive due to more favourable double bond reduction or isomerization. Here, the authors show an enantioselective Si-C coupling by hydrosilylation of activated alkenes using a pallad
Externí odkaz:
https://doaj.org/article/22450d70f92445818b71e7af0f1e2de3
Publikováno v:
BMC Chemistry, Vol 13, Iss 1, Pp 1-7 (2019)
Abstract Sevelamer (polyallyamine resin)-supported sulfonic acid (S-SO3H) has been prepared from the reaction of sevelamer with chlorosulfonic acid and characterized using FT-IR spectroscopy, scanning electronmicroscopy (SEM) and thermogravimetric an
Externí odkaz:
https://doaj.org/article/df1d055671bb4e43af679ee8ff439cbc
Autor:
Yucen Zuo, Yufeng Yao, Chunyu Chen, Yixin Liang, Ke-Fang Yang, Ze Li, Guo-Qiao Lai, Pinglu Zhang, Tien-Yau Luh
Publikováno v:
Polymer Chemistry. 14:600-607
The nature of the substituents on cyclopropenes and catalysts could have a profound effect on the reactivity and selectivity of ring-opening metathesis polymerization (ROMP).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4052fa82d5598179145f71845922c14
https://doi.org/10.1039/d2py01490d
https://doi.org/10.1039/d2py01490d
Autor:
Ren-He Tang, Zheng Xu, Yi-Xue Nie, Xu-Qiong Xiao, Ke-Fang Yang, Jia-Le Xie, Bin Guo, Guan-Wu Yin, Xue-Min Yang, Li-Wen Xu
Publikováno v:
iScience, Vol 23, Iss 7, Pp 101268- (2020)
Summary: Chirality widely exists in a diverse array of biologically active molecules and life forms, and the catalytic constructions of chiral molecules have triggered a heightened interest in the fields of chemistry and materials and pharmaceutical
Externí odkaz:
https://doaj.org/article/8a55fe7771284a8ea78eadcd9e535aab
Publikováno v:
Asian Journal of Organic Chemistry. 10:2883-2887
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bc8b1914b568643c8a1fe2e81024fb6
https://doi.org/10.1002/ajoc.202100502
https://doi.org/10.1002/ajoc.202100502
Autor:
Guan-Wu Yin, Li Li, Xing-Feng Bai, Jian Cao, Zheng Xu, Yu-Li Sun, Ke-Fang Yang, Li-Wen Xu, Yu-Ming Cui, Jun-Han Ma
Publikováno v:
Science China Chemistry. 63:1082-1090
The catalytic asymmetric synthesis of novel and chiral amino acid derivatives with unconventional chemo-, diastereo-, and enantio-selectivity remains a paramount challenge. Herein we reported a novel protocol for the use of highly enantioselective co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::234e8e87be6ab1b151a6f9dc556a73fc
https://doi.org/10.1007/s11426-020-9768-x
https://doi.org/10.1007/s11426-020-9768-x
Publikováno v:
Synthesis. 51:4249-4252
A convenient and efficient three-step synthesis of 2-(2,2-difluoroethoxy)-6-(trifluoromethyl)benzenesulfonyl chloride, the key building block of penoxsulam, is described. The main features of the synthesis include a regioselective lithiation and subs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e99d9242603cdc22a7c5f3bab0ab9f88
https://doi.org/10.1055/s-0039-1690617
https://doi.org/10.1055/s-0039-1690617
Autor:
Li-Wen Xu, Lin Yan, Jian Cao, Zhan-Jiang Zheng, Wei-Yang Ma, Zheng Xu, Ke-Fang Yang, Yu-Ming Cui
Publikováno v:
Chemistry – An Asian Journal. 14:2082-2085
A palladium-catalyzed chelation-assisted enantioselective C-H olefination of symmetrically diaryl-substituted tetraorganosilicon derivatives was developed, enabling the generation of nitrogen-containing silicon-stereogenic tetraorganosilicon compound
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e266d49c92bee37f6cb46e06fdbea785
https://doi.org/10.1002/asia.201900408
https://doi.org/10.1002/asia.201900408
Publikováno v:
Angewandte Chemie International Edition. 58:897-901
A palladium-catalyzed enantioselective sequential ring-opening/cross-coupling of cyclobutanones is disclosed that provides chiral indanones bearing C3-quaternary stereocenters. The reaction process involves palladium-catalyzed nucleophilic addition o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24b5f7f0911c708951beecd91b2b2c00
https://doi.org/10.1002/anie.201813071
https://doi.org/10.1002/anie.201813071
Autor:
Xing-Feng Bai, Li-Wen Xu, Zheng Xu, Qiu-Chao Mu, Ke-Fang Yang, Zhan-Jiang Zheng, Li Li, Chungu Xia
Publikováno v:
ACS Catalysis. 9:1431-1436
An enantioselective oxidative C–H/N–H carbonylation process was developed in this work. A bimetallic Pd/Cu-based catalyst system was found to catalyze enantioselective C(sp2)–H carbonylation of prochiral arylsulfonamides via desymmetrization pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b52a5bc989831da5d8fdcd3f02ad165
https://doi.org/10.1021/acscatal.8b04725
https://doi.org/10.1021/acscatal.8b04725