AMINOACRYL DERIVATIVES .24. SYNTHESIS OF PUSH-PULL-OLIGOACETYLENES

被引：9

作者：

BARTLOME, A ^{[1
]}

STAMPFLI, U ^{[1
]}

NEUENSCHWANDER, M ^{[1
]}

机构：

[1] UNIV BERN,INST ORGAN CHEM,FREIESTR 3,CH-3012 BERN,SWITZERLAND

来源：

HELVETICA CHIMICA ACTA | 1991年 / 74卷 / 06期

关键词：

D O I：

10.1002/hlca.19910740614

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

'Push-pull' triacetylenes 11a, b, c as well as 'push-pull' tetraacetylene 13b have been prepared by reaction of the corresponding trichloroene(oligoinyl)amines 9 and 10 with 2 mol-equiv. of BuLi followed by acylation. The sequences (Schemes 3 and 4) are very simple and straightforward, they could in principle be applied to the synthesis of 'push-pull' pentaacetylenes 15 and hexaacetylenes 17 (Scheme 5). Main limitations are the moderate yields as well as the low thermal stability of push-pull oligoacetylenes.

引用

页码：1264 / 1272

页数：9

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