云南高校图书馆联盟文献共享服务平台- DIASTEREOMERS

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A Novel Approach for the Synthesis of (R) and (S)-Nicotine: 《International Journal of Organic Chemistry》2022年第4期189-199,共11页Rohith Kumar Agarthimoole Sahir Gagan Sudesna Parida Tarur Konikkaledom Dinesh Maheswaran S. Karatholuvhu Namasivayam Palani Soumitra Mukherjee; Nicotine is an alkaloid mainly found in leaves of tobacco and is used therapeutically for patients seeking relief from tobacco dependence in the form of products such as gums, patches, lozenges etc. In these products,...; 关键词：NICOTINE IBUPROFEN DIASTEREOMERS Column Chromatography Chiral Purity

Synthesis of the C50 diastereomers of the C33–C51 fragment of stambomycin D: 《Organic Chemistry Frontiers》2022年第2期445-449,共5页Yongchen Wang Venkaiah Chintalapudi Haraldur G.Gudmundsson Gregory L.Challis Edward A.Anderson; the Marie Skłodowska-Curie actions for an Individual Fellowship(V.C.,GA No.702385);the Leverhulme Trust for funding(H.G.G.,RPG-2015-003);the EPSRC for additional support(EP/S013172/1).; As products of genome mining,the stereochemical assignment of the macrolide antibiotics stambomycins A-D has been made on the basis of sequence analysis of the associated polyketide synthase,aside from two stereocentr...; 关键词：stereo ASSIGNMENT CENTRE

Enantioselective total syntheses of marine natural products(+)-cylindricines C,D,E and their diastereomers: 《Organic Chemistry Frontiers》2022年第1期58-63,共6页Ying-Hong Huang Zhan-Jiang Liu Pei-Qiang Huang; support from the National Natural Science Foundation of China(21931010);the National Key R&D Program of China(grant No.2017YFA0207302).; A seven-step total synthesis of(+)-cylindricine D and epi-cylindricine D is described.The efficiency relies on the highly diastereoselective reductive bis-functionalization of N,O-protected(S)-pyroglutaminol by our re...; 关键词：latter STEPS essentially

Pharmacokinetic comparison with different assays for simultaneous determination of cis-,trans-cefprozil diastereomers in human plasma被引量：1: 《Journal of Pharmaceutical Analysis》2021年第3期351-363,共13页Seung-Hyun Jeong Ji-Hun Jang Hea-Young Cho Yong-Bok Lee; The purpose of this study was to compare pharmacokinetic(PK)parameters obtained using two newly developed assays,HPLC-UV and UPLC-ESI-MS/MS.Selection of assay and results obtained therefrom are very important in PK st...; 关键词：Cefprozil diastereomers COMPARISON HPLC-UV UPLC-ESI-MS/MS Pharmacokinetic parameter Biochemical parameters

Single-run reversed-phase HPLC method for determining sertraline content,enantiomeric purity,and related substances in drug substance and finished product被引量：1: 《Journal of Pharmaceutical Analysis》2020年第6期610-616,共7页Alessia Rosetti Rosella Ferretti Leo Zanitti Adriano Casulli Claudio Villani Roberto Cirilli; A direct enantio-,diastereo-,and chemo-selective high-performance liquid chromatographic method was developed for determining the content,enantiomeric purity,and related substances of the chiral antidepressant drug se...; 关键词：Chiralpak IG-3 ENANTIOMERS DIASTEREOMERS Reversed-phase enantioselective HPLC Sertraline HCl

Stereospecific Degradation of Diastereomers by Plant Associated Bacteria Influences the Antifungal Performance of Dodemorph: 《Journal of Agricultural Chemistry and Environment》2018年第1期10-20,共11页Gyula Oros; Morpholine fungcides have certain antibacterial side effect, dodemorph being the most active among them. The diequatorial (cis-)?form of dodemorph expressed higher antibacterial activity than the axial-equatorial (tra...; 关键词：FUNGICIDE DIASTEREOMER Biodegradation Bacteria Fungi Synergy STEREOSELECTIVITY

Convenient synthesis of nucleoside 5'-(α-P-thio)triphosphates and phosphorothioate nucleic acids(DNA and RNA)被引量：3: 《Science China Chemistry》2012年第1期80-89,共10页CATON-WILLIAMS Julianne FIAZ Bilal HOXHAJ Rudiona SMITH Matthew; supported by USA NIH(GM095086);the Georgia Cancer Coalition(GCC) Distinguished Cancer Clinicians and Scientists;USA National Science Foundation(MCB-0824837); Modified deoxy-and ribo-nucleoside triphosphates are chemically synthesized in multiple steps due to the protection and deprotection of the nucleoside functionalities.To conveniently synthesize the S-modified triphosp...; 关键词：sulfur modification S-derivatized nucleic acid nucleoside triphosphates nucleoside phosphorothioates phosphorothioate DNA and RNA DIASTEREOMERS DNA and RNA polymerases

Trace determination of hexabromocyclododecane diastereomers in water samples with temperature controlled ionic liquid dispersive liquid phase microextraction被引量：3: 《Chinese Chemical Letters》2011年第1期97-100,共4页Ru Song Zhao Xia Wang Jin Peng Yuan Shan Shan Wang Chuan Ge Cheng; financially supported by National Water Pollution Control and Management Technology Major Projects(No.2009ZX07210-009);Scientific and Technological Developing Project of Shandong Province(No. 2009GG20001021-9);Open Research Fund Program of Shandong Provincial Key Laboratory of Eco-Environmental Science for Yellow River Delta(No.2009KFJJ01);Basic Foundation of Shandong Academy of Sciences and Analysis and Test center of Shandong province; A novel temperature controlled ionic liquid dispersive liquid phase microextracfion （TCIL-DLPME） coupled with rapid resolution liquid chromatography-electrospray tandem mass spectrometry （RRLC-ESI-MS-MS） has been ...; 关键词：HEXABROMOCYCLODODECANE Temperature controlled ionic liquid dispersive liquid phase microextraction Rapid resolution liquidchromatography-electrospray tandem mass spectrometry

Synthesis and Isolation of Diastereomers of Optically Active Cyclomercurated Ferrocenylimines: 《Chinese Chemical Letters》2000年第11期975-978,共4页; the National Natural Science Foundation of China (Project 29572066) and the Natural Science Foundation of Henan Province for fi; 关键词：SC KBR IR HG Cl Synthesis and Isolation of Diastereomers of Optically Active Cyclomercurated Ferrocenylimines

Synthesis of New Cyclic Phosphate of Arylglyoxylonitrile Oximeand Their Diastereomers: 《Chinese Chemical Letters》1999年第6期445-446,共2页Zhi Hua MA Rut Lian SHAO Hong Min MA Jun Ran CHENG Run Qiu HUANG(National Key Laboratory of Elemento -Organic chemistry Nankai University. Tianjin 300071); Keeping in view the biological activities of 1,3,2-dioxaphosphorinane-2-one and oxime esters. some compounds possessing these two moieties have been synthesized. The configurational assignment and the ratio of cis/tra...; 关键词：1 3 2-dioxaphosphorinane-2-one arylglyoxylonitrile DIASTEREOMERS

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