REACTIONS PROCEEDING VIA THE REACTIVE INTERMEDIATE ALPHA-VINYL-P-XYLYLENE - CONTRASTING ORIENTATIONS IN THE FORMATION OF CYCLIC DIMERS AND POLYMER

被引：4

作者：

BROOKE, GM

WOOLLEY, MF

机构：

[1] Chemistry Department, Science Laboratories, University of Durham, Durham, DH1 3LE, South Road

来源：

POLYMER | 1993年 / 34卷 / 06期

关键词：

ALPHA-VINYL-P-XYLYLENE; SUBSTITUTED 1,4-QUINODIMETHANE; ORIENTATION OF DIMERIZATION AND POLYMERIZATION;

D O I：

10.1016/0032-3861(93)90786-A

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Alpha-vinyl-p-xylylene (16) has been shown to be an intermediate in the base-catalysed decomposition of both p-allylbenzyltrimethylammonium bromide (17) and p-methylcinnamyltrimethylammonium bromide (19). Cyclic dimers (28) and (29) (EE and ZZ isomers, respectively) are produced via the conjugatively extended vinyl head h' to head h' and tail to tail bond-forming reactions, which accompany a copolymer formed mainly via the contrasting head (vinyl-substituted head h and h') to tail linking of alpha-vinyl-p-xylylene.

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页码：1282 / 1288

页数：7

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