云南高校图书馆联盟文献共享服务平台- ACETALS

ACETALS: 作品数：29被引量：128H指数：5; 导出分析报告; 相关领域：理学更多>>; 相关作者：郑小燕王学业彭月明更多>>; 相关机构：湘潭大学更多>>; 相关期刊：《Chemical Research in Chinese Universities》《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》《Chinese Journal of Chemistry》《Journal of Wuhan University of Technology(Materials Science)》更多>>; 相关基金：国家自然科学基金湖北省自然科学基金国家重点基础研究发展计划更多>>

A highly efficient transacetalization of 2-formylpyrrole acetals in alkaline media: 《Chinese Chemical Letters》2012年第1期33-36,共4页Zhao Hua Yan Run Hua Kang Yong Jie Liu Sen Lin; The Ministry of Education of The People's Republic of China;Department of education of Jiangxi Province;Jiangxi Provincial Natural Science Foundation for financial support; The reaction of 2-formylpyrrole acetals with sodium alkoxide in alcohols at reflux temperature smoothly proceeded to generate corresponding transacetalization products in nearly quantitative yields.A plausible mechani...; 关键词：2-Formylpyrrole acetal Transacetalization Sodium alkoxide

KBrO_3/MoO_3:An efficient reagent system for the oxidative deprotection of semicarbazones,1,1-diacetates and acetals: 《Chinese Chemical Letters》2009年第5期514-518,共5页Farhad Shirini Zahra Neyestani Masoumeh Abedini; The partial support of this work by the University of Guilan Research Council is gratefully acknowledged.; Semicarbazones, 1,1-diacetates and acetals are efficiently converted to their corresponding carbonyl compounds using synergistic effect between KBrO3 and MoO3 in refluxing CH3CN-H2O in good to high yields.; 关键词：SEMICARBAZONES 1 1-Diacetates ACETALS KBRO3 MOO3

A New Solvent-free Synthesis of a, a'-Dibenzylidenecycloalkanones from Acetals with Cycloalkanones under Microwave Irradiation被引量：1: 《Chinese Chemical Letters》2003年第4期333-334,共2页Dan Feng HUANG Jin Xian WANG Yu Lai HU; The work was supported by the National Natural Science Foundation of China (NO. 20272047) and the Northwest Normal University Science and Technology Development Foundation of China.; A new rapid synthetic method is described for synthesis of a, a-dibenzylidene- cycloalkanones by the reaction of acetals and cycloalkanones without solvent using BF3稥t2O as catalyst under microwave irradiation.; 关键词：Cycloalkanone ACETAL Lewis acid microwave irradiation.

α-Oxo Ketene Dithioacetals Chemistry-A Facile Route to the Synthesis of Fused Heterocyclic Compounds被引量：1: 《Chinese Chemical Letters》2000年第4期283-284,共2页Mei Xin ZHAO Qun LIU Yu Lan HU De Long LI (Department of Chemistry. Northeast Normal University, Changchun 130024); The fused heterocyclic compounds 2 : imidazo [1.2-a] pyriding 2a-c and pyrido [ 1 .2-a] pyrimidine 2d were obtained from the reaction of α-cinnamoyl ketene dibenzylthio acetals 1 with diamine. When α-cinnamoyl -a'-b...; 关键词：α-Cinnamoyl ketene dibenzylthio acetals. diamine. α-cinnamoyl-α'-benzoyl ketene N. N-acetals. fused heterocyclic compounds

Synthesis and Structural Determination of (2R,4S,SS)-(+)-Threo-5-(2,2-dichloroacetamido)-4-(4-nitrophenyl)-2-aryl-1,3-dioxanes被引量：1: 《Chinese Chemical Letters》1999年第3期199-200,共2页Jun LIU Xian Ming HU Han Sheng XU(Department of Chemistry, Wuhan University, Wuhan 430072); (2R,4S,SS)-(+)-threo-5-(2,2-dicloroacetamido)-4-(4-nitrophenyl-2aryl-l,3dioxanes, were synthesized with high diastereoselectivity and good yields. The structuresofacetals were determined and the configurations were co...; 关键词：ACETALS diastereoselective synthesis CHLORAMPHENICOL 2D-NMR

Correlation Analysis of the Fluorescence Data of Some Benzaldehyde Derivatives by the Dual-Parameter Equation: 《Chinese Chemical Letters》1998年第4期385-387,共3页Ding, WFX Jiang, XK; The fluorescence emission wavelength [lambda(max(em))] values of three types of benzaldehyde derivatives, namely, ethylene acetals (1-Ys), 4-nitrophenylhydrazones (2-Ys) and phenylhydrazones (3-Ys), have been measured...; 关键词：correlation analysis dual-parameter equation fluorescence spectral data benzaldehyde ethylene acetals phenylhydrazones and 4-nitrophenylhydrazones

α-Oxoketene Cyclic S, S-cetals Chemistry-Substitution Reaction of α,α'-Dicinnamoyl Ketene Cyclic S, S-Acetals with Ethylenediamine被引量：2: 《Chinese Chemical Letters》1998年第3期231-232,共2页Mei Xin ZHAO Qun LIU Fu Shun LIANG Jing Fu LIU Bao Zhong ZHAO LianZhong LI (Department of Chemistry, Northeast Normal University, Changchun, 130024)(Department of Chemistry, Jilin Teacher college, Jilin, 131000); α,α'-Dicinnamoyl ketene cyclic S, S-acetals 4 were reacted with ethylenediamine to afford α,α'-dicinnamoyl ketene cyclic N,N-acetals 5. This process provides a new method for thesynthesis of 5 in high yield under ...; 关键词：α α'-dicinnamoyl ketene cyclic S S-acetals ETHYLENEDIAMINE substitution reaction α α'-dicinnamoyl ketene cyclic N N-acetals

Zeolite-Catalyzed Acetalization Ⅰ. Synthesis of Some Acetals and Ketals through Reaction of Carbonyl Compounds with Ethanediol被引量：2: 《Chinese Chemical Letters》1997年第5期377-380,共4页Wei JIANG Yan TIAN Yu Dao MA Qi Long WANG(Department of Chemistry, Shandong University, Jinan 250100)Lei WANG(Department of Pharmacy, Shandong Medical University, Jinan, 250012); The acetalization of a series of carbonyl compounds with ethanediolwas performed over two self-steaxned HY zeolle catalpsts' The acetal and ketaiproducts were obtained with high ytelds Espectw, the HY zeollte with hig...; 关键词：Synthesis of Some Acetals and Ketals through Reaction of Carbonyl Compounds with Ethanediol

Efficient and Convenient Procedures for the Formation andCleavage of Steroid Acetals Catalysed by Montmorilloaite K 10被引量：87: 《Chinese Chemical Letters》1996年第11期975-978,共4页; Acetalization of steroid ketones and cleavage of the acetals have ben carried out inexcellent yield under catalysis of montmorillonite K 10.; 关键词：MONTMORILLONITE catalysed STEROID CLEAVAGE CONVENIENT

A NOVEL DEPROTECTION OF ACETALS AND KETALS USING SODIUM HYDROGEN SELENIDES: 《Chinese Chemical Letters》1995年第11期955-958,共4页Ping LU Wei Qiang FAN Xun Jun ZHOU (Department of Chemistry,Hangzhou University, 310028.); The 1,3-dioxolanes, 1,3-dioxanes and open chain acetals or ketals are easily cleavaged by using sodium hydrogen selenide under basic conditions in high yields.

ACETALS