THE PREPARATION OF KETENE DITHIOACETALS AND THIOPHENES FROM CHLOROPYRIDINES CONTAINING AN ACTIVE METHYLENE GROUP

被引：3
|
作者：
Sturrock, Keith R. [1 ]
Bremner, David H. [1 ]
Wishart, Grant [2 ]
机构：
[1] Univ Abertay Dundee, Sch Contemporary Sci, Dundee DD1 1HG, Scotland
[2] Schering Plough Res Inst, Dept Chem, Newhouse ML1 5SH, Lanark, Scotland
来源：
HETEROCYCLES | 2011年 / 82卷 / 02期
关键词：
Base Catalysed Reaction; Cyclization; Thorpe Reaction; Dieckmann Reaction; Carbon Disulfide; HALOGENATED PYRIDINE-DERIVATIVES; THIENOPYRIDINES; KETENDERIVATE;
D O I：
10.3987/COM-10-S(E)59
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The base catalysed reaction of carbon disulphide with the active methylene groups of chloropyridines 4 and 7, followed by alkylation with reagents which also contain active methylene groups, lead to ketene dithioacetals. Further reaction with base afforded highly substituted thiophenes.
引用
收藏
页码：1657 / +
页数：7
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