STEREOSPECIFICITY

作品数：7被引量：9H指数：2
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相关期刊：《Chemical Research in Chinese Universities》《Chinese Journal of Polymer Science》《Plant Communications》《Science Bulletin》更多>>
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Pd-Catalyzed Stereospecific Glycosyl Cross-Coupling of Reversed Anomeric Stannanes for Modular Synthesis of Nonclassical C‑Glycosides
《Precision Chemistry》2024年第11期587-599,共13页Guoqiang Cheng Bo Yang Yang Han Wei Lin Siyuan Tao Yong Nian Yingzi Li Maciej A.Walczak Feng Zhu 
sponsored by the National Key R&D Program of China(Grant No.2023YFA1508800);National Science Foundation(Grant No.22301178);Shanghai Pilot Program for Basic Research-Shanghai Jiao Tong University(Grant No.21TQ1400210);Fundamental Research Funds for the Central Universities(Grant No.22X010201631);the Open Grant from the Pingyuan Laboratory(2023PY-OP-0102);Excellent Young Scientists Fund Program(Overseas),Natural Science Founda-tion of Shanghai(Grant No.21ZR1435600);Shanghai Sailing Program(Grant No 21YF1420600);start-up fundings from Shanghai Jiao Tong University(SJTU);Part of this study was supported by the National Science Foundation(Grant No.82204192 to Y.N.);National Key R&D Program of China(Grant No.2023YFC2308200 to Y.N.);Natural Science Foundation of Jiangsu Province(BK20220471 to Y.N.);Beatriu de Pinós programme from AGAUR(Grant No.2022 BP 00055 to Y.L);the China Postdoctoral Science Foundation(2022M722071 to B.Y.).
Nonclassical C-glycosides,distinguished by their unique glycosidic bond connection mode,represent a promising avenue for the development of carbohydrate-based drugs.However,the accessibility of nonclassical C-glycosid...
关键词：Glycosylation CROSS-COUPLING Nonclassical C-glycosides Reversed anomeric stannanes STEREOSPECIFICITY 
Structure of a cereal purple acid phytase provides new insights to phytate degradation in plants
《Plant Communications》2022年第2期52-61,共10页Raquel Faba-Rodriguez Yinghong Gu Melissa Salmon Giuseppe Dionisio Henrik Brinch-Pedersen Charles A.Brearley Andrew M.Hemmings 
This work was funded by the UK Biotechnology and Biological Sciences Research Council and AB Vista Ltd.through IPA award BB/M022978/1;the Danish Ministry of Food,Agriculture and Fisheries(grant no.3304-FVFP-08-M-07-01).
Grain phytate,a mixed metal ion salt of inositol hexakisphosphate,accounts for 60%–80%of stored phosphorus in plants and is a potent antinutrient of non-ruminant animals including humans.Through neofunctionalization ...
关键词：wheat purple acid phytase X-ray crystallography STEREOSPECIFICITY 
Deammoniative Condensation of Primary Allylic Amines with Nonallylic Amines
《Chinese Journal of Chemistry》2014年第8期741-751,共11页Yong Wang Manbo Li Xiantao Ma Congrong Liu Yonghong Gu Shi-Kai Tian 
We are grateful for the financial support from the National Natural Science Foundation of China(Nos.21232007,21202154 and 21172206);the National Key Basic Research Program of China(No.2014CB931800).
An unprecedented deammoniative condensation reaction of primary allylic amines with nonallylic amines has been developed through C-N bond cleavage.In the presence of 5 mol%palladium diacetate,10 mol%1,4-bis(diphenylph...
关键词：AMINES deammoniation PALLADIUM SUBSTITUTION STEREOSPECIFICITY 
PREPARATION OF POLYPROPYLENE/CLAY NANOCOMPOSITES BY in situ POLYMERIZATION WITH TiCl_4/MgCl_2/CLAY COMPOUND CATALYST被引量：3
《Chinese Journal of Polymer Science》2011年第5期597-601,共5页贺爱华 
financially supported by the National Natural Science Foundation of China(Nos.20774098,50973123, 50503023);the Scientific Research Startup Foundation of Qingdao University of Science and Technology
TiCl4/MgCl2/clay compound catalyst was prepared by chemical reaction. Exfoliated polypropylene （PP）/clay nanocomposites were synthesized by in situ polymerization with this compound catalyst. Effects of polymerizati...
关键词：POLYPROPYLENE CLAY STEREOSPECIFICITY NANOCOMPOSITE Nano-compound catalyst. 
A HIGHLY ACTIVE NEODYMIUM CHLORIDE ISOPROPANOL COMPLEX/MODIFIED METHYLALUMINOXANE CATALYST FOR PREPARING POLYISOPRENE WITH HIGH CIS-1,4 STEREOSPECIFICITY AND NARROW MOLECULAR WEIGHT DISTRIBUTION被引量：5
《Chinese Journal of Polymer Science》2010年第2期157-164,共8页董伟民 张学全 
supported by the Administration of Science and Technology of Jilin Province,China (No.200505254)
Neodymium chloride isopropanol complex （NdCl3.3＇prOH） activated by modified methylaluminoxane （MMAO） was examined in isoprene polymerization in hexane, with regards to Nd compounds, aluminum （Al） compounds, [Al...
关键词：ISOPRENE NEODYMIUM Molecular weight distribution Cis-1 4 stereospecificity Ziegler-Natta polymerization. 
Stereoselective　Syntheses　of　Some　β-D-1-Thioglycopyranosides　and　Bis(β-D-glycopyranosyl)　Sulfides　by　Phase　Transition　Catalysis
《Chemical Research in Chinese Universities》1997年第1期23-28,共6页YU Jian xin, LIU Fang min, SUN Wan fu and LIU Yu ting (Department of Chemistry, Xinjiang University, Ulumuqi, 830046) 
The present paper covers the stereoselective syntheses of four 1 thiogalactopyranosides 1—4 and three thio disaccharides 5—7 through the PTC methods and their structures confirmed by means of elementary analysis, ...
关键词：Synthesis Phase transition catalysis Thiogalactopyranoside Thio  disaccharide STEREOSPECIFICITY 
EHMO QUANTITATIVE VERIFICATION OF QUANTUM THEORY MECHANISM FOR ELECTROPHILIC ADDITIONS被引量：1
《Chinese Science Bulletin》1992年第9期732-737,共6页戴乾圜 刘荣华 
Project supported by the National Natural Science Foundation of China.
Most of the electrophilic additions on carbon-carbon multiply bond can be summarized as: where Y are certain atoms on the fight of the periodic table; Z may be null, atom or group. Regardless of the rate law of Ad_E2 ...
关键词：MECHANISM of ELECTROPHILIC addition STEREOSPECIFICITY regioselectivity orbital DOMINATION rule donoracceptor HYBRIDIZATION bond EHMO 
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