Direct vinylation of glucose derivatives with acetylene

被引:14
|
作者
Trofimov, Boris A. [1 ]
Parshina, Lidiya N. [1 ]
Oparina, Ludmila A. [1 ]
Tantsyrev, Anatolii P. [1 ]
Khil'ko, Marina Ya. [1 ]
Vysotskaya, Oksana V. [1 ]
Stepanov, Andrey V. [1 ]
Gusarova, Nina K. [1 ]
Henkelmann, Jochem [2 ]
机构
[1] Russian Acad Sci, Siberian Branch, AE Favorsky Irkutsk Inst Chem, Irkutsk 664033, Russia
[2] BASF AG, Ammonia Laab ZAR C, D-67056 Ludwigshafen, Germany
关键词
glucose derivatives; acetylene; vinyl ethers; superbase catalytic systems;
D O I
10.1016/j.tet.2007.08.107
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Vinyl ethers, promising chiral carbohydrate synthons, have been synthesized by the addition of glucose acetals (1,2: 5,6-di-O-isopropylidene-alpha-D-glucofuranose, methyl 4,6-O-benzylidene-alpha-D-glucopyranoside, 1,2-O-cyclohexylidene-alpha-D-glucofuranose, methyl alpha-D-glucopyranoside) to acetylene under atmospheric and elevated pressures in an autoclave in the presence of superbase catalytic systems (KOH-DMSO, t-BuOK-DMSO). The complete vinylation of 1,2: 5,6-di-O-isopropylidene-alpha-D-glucofuranose and methyl alpha-D-glucopyranoside has been realized under elevated pressure of acetylene in the system KOH-THF as well. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:11661 / 11665
页数:5
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