云南高校图书馆联盟文献共享服务平台- RACEMIZATION

RACEMIZATION: 作品数：14被引量：6H指数：1; 导出分析报告; 相关领域：理学更多>>; 相关作者：徐志固更多>>; 相关机构：厦门大学更多>>; 相关期刊：《Chinese Journal of Chemical Physics》《Science China Chemistry》《Chemical Research in Chinese Universities》《Chinese Journal of Chemistry》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江西省教育厅科学技术研究项目更多>>

Enantioselective Synthesis,(Chir)optical Properties,and Postsynthetic Functionalization of Furan-Containing Oxa[5]-,Oxa[6]-,and Dioxa[6]helicenes: 《CCS Chemistry》2024年第10期2439-2451,共13页Wei Fu Valentina Pelliccioli Raquel Casares-López Juan M.Cuerva Martin Simon Christopher Golz Manuel Alcarazo; the Deutsche Forschungsgemeinschaft(INST 186/1352-1 and INST 186/1237-1)is gratefully acknowledged.W.F;thanks the China Scholarship Council for PhD fellowship support.R.C.-L.gratefully acknowledges grant PID2021-127964NB-C22 funded by the MCIN/AEI/10.13039/501100011033.; An expedient synthesis of a series of configurationally stable oxa[5]helicenes,oxa[6]helicenes,and dioxa[6]helicenes has been developed using an intramolecular,highly enantioselective,Au-catalyzed,alkyne hydroarylatio...; 关键词：Au-catalysis enantioselective synthesis oxa[n]helicenes racemization dynamics postsynthetic functionalization

Stereochemical editing:Catalytic racemization of secondary alcohols and amines: 《Chinese Chemical Letters》2024年第5期17-31,共15页Jun Zhang Zhiyao Zheng Can Zhu; the National Natural Science Foundation of China (No. 22271054);the “1000-Youth Talents Plan”;Fudan University (start-up grant) for financial support.; Chiral alcohols and amines are important structural units widely existing in pharmaceuticals,agrochemicals,and food additives.Dynamic kinetic resolution(DKR)is an efficient strategy to deliver optically active alcohol...; 关键词：RACEMIZATION Secondary alcohols AMINES Kinetic resolution Dynamic kinetic resolution

Construction of chiral through-space luminophores via symmetry breaking triggered by sequenced chlorination: 《Science China Chemistry》2023年第7期2083-2090,共8页Yufeng Xie Huaying Liu Zhongliang Li Xin Zhang Lijuan Song Kang Zhou Feng Yuan Hengzhi You Engui Zhao Zikai He; supported by the National Natural Science Foundation of China(21975061);Shenzhen Fundamental Research Program(JCYJ20190806142403535,GXWD20201230155427003-20200728150952003); The construction of molecular chirality is crucial for exploring novel luminophores with chiroptical properties.Classic asymmetric synthesis of chiral center or axial is not powerful enough on through-space architectu...; 关键词：symmetry breaking chiral through-space luminophore circularly-polarized luminescence kinetic racemization

Role of D-aspartate on biosynthesis,racemization,and potential functions:A mini-review被引量：3: 《Animal Nutrition》2018年第3期311-315,共5页Yuying Li Hui Han Jie Yin Tiejun Li Yulong Yin; supported by Hunan Province key research and development projects(2017NK2321);National Basic Research Program of China(973)(2013CB127301);National Natural Science Foundation of China(31472106);China Agriculture Research System(CARS-35); D-aspartate, a natural and endogenous amino acid, widely exists in animal tissues and can be synthesized through aspartate racemase and transformed by D-aspartate oxidase(DDO). D-aspartate mainly serves as a neurotran...; 关键词：D-ASPARTATE BIOSYNTHESIS RACEMIZATION NUTRITION FUNCTIONS

Efficient and Practical Syntheses of Enantiomerically Pure (S)-(−)-Norcryptostyline Ⅰ, (S)-(−)-Norcryptostyline Ⅱ, (R)-(+)-Salsolidine and (S)-(−)-Norlaudanosine via a Resolution-Racemization Method被引量：1: 《Chinese Journal of Chemistry》2014年第10期1039-1048,共10页Ruiheng Zhu Zhangli Xu Wei Ding Shiling Liu Xiaoxin Shi Xia Lu; We thank the National Natural Science Foundation of China(No.20972048)for the financial support of this work.; Four racemic tetrahydroisoquinolines(RS)-(±)-1-4 were prepared from homoveratrylamine via amidation,Bischler-Napieralski reaction and the subsequent reduction.The enantiomerically pure tetrahydroisoquinolines(S)-(−)-...; 关键词：TETRAHYDROISOQUINOLINES norcryptostyline salsolidine norlaudanosine RESOLUTION RACEMIZATION

Two-water-assisted racemization of the succinimide intermediate formed in proteins. A computational model study: 《Health》2013年第12期2018-2021,共4页Ohgi Takahashi; Racemization of aspartic acid (Asp) residues in proteins plays an important role in the molecular biology of aging. In the widely accepted mechanism of the Asp racemization, a succinimide (SI) intermediate is the spec...; 关键词：Aspartic Acid Residue RACEMIZATION NONENZYMATIC Reaction SUCCINIMIDE WATER Catalysis ENOLIZATION COMPUTATIONAL Chemistry Density Functional Theory

Synthesis of (S)-N-(2-Ethyl-6-methylphenyl) alanine by Enzyme-catalyzed Resolution and Chemical Racemization: 《Chemical Research in Chinese Universities》2009年第6期836-840,共5页ZHENG Liang-yu ZHANG Suo-qin LU Xiao-li CAO Shu-gui; Supported by the National Natural Science Foundation of China(No.20802025);the Hi-Tech Research and Development Program of China(No.2007AA021306);Jilin Provincial Science & Technology Sustentation Program,China(No.20070553); A practical synthesis of （S）-N-（2-ethyl-6-methylphenyl）alanine, a key intermediate for （S）-metolachlor, was completed by means of lipase-catalyzed hydrolytic kinetic resolution and chemical racemization of the r...; 关键词：Candida antarctica lipase B RESOLUTION （S）-N-（2-Ethyl-6-methylphenyl）alanine RACEMIZATION

DFT Study on the Structure and Racemization Mechanism of 1,1 ＇- Bina phthalene-8,8 ＇-diol被引量：1: 《Chinese Journal of Chemical Physics》2008年第4期367-375,共9页Liang-guo Da Tong-tong Lu Mei Xiang Tian-jing He Dong-ming Chen; Density functional theory （DFT） was applied to study the ground state geometries and isomerization processes of 1,1＇-binaphthalene-8,8＇-diol. Three isomers, denoted as ISO1, ISO2, and ISO3, were found, distinguish...; 关键词：Density functional theory （DFT） 1 1＇-Binaphthalene-8 8＇-diol RACEMIZATION

Preparation of D-lysine by chemical reaction and microbial asymmetric transformation: 《Frontiers of Chemical Science and Engineering》2008年第1期40-43,共4页Yi LIU Qingcai JIAO Xiaoxing YIN; This work was supported by the Innovation Foundation of China(No.02CJ-13-01-16);the Dean Foundation of Xuzhou Medical College(No.07KJZ07).; The DL-lysine crystals from the racemization of L-lysine was treated as substrate with Hafnia alvei AS1.1009 intact cells as biocatalysts to produce crystal-line D-lysine with a yield of 56.6%from the reaction mixture...; 关键词：D-lysine DECARBOXYLASE RACEMIZATION bio-transformation

1-Ethyl-2-Fluoro Pyridinium Salt: A Highly Efficient Coupling Reagents for Sterically Hindered Peptide Synthesis被引量：1: 《Chinese Chemical Letters》2000年第5期377-380,共4页Peng LI Jie Cheng XU (Shanghai Instilute of Organic Chemistry, Chinese Academy of Sciences. Shanghai 200032); This work was financially supported by the National Natural Science Foundation of China!(9772045 ); 1-Ethyl-2-fluoropyridinium tetrafluoroborate (FEP) was shown to be a very efficient coupling reagent for the synthesis of the hindered peptide with fast reaction speed, low racemization and good yields.; 关键词：FEP peptide RACEMIZATION REACTIVITY

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