Thermal isomerization of benzocyclobutene
โ Scribed by Chapman, Orville L.; Tsou, Uh Po Eric; Johnson, Jeffery W.
- Book ID
- 120815592
- Publisher
- American Chemical Society
- Year
- 1987
- Tongue
- English
- Weight
- 841 KB
- Volume
- 109
- Category
- Article
- ISSN
- 0002-7863
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## Abstract The first radical polymerization of 1โmethoxyโ__o__โquinodimethane (2) generated by thermal ringโopening isomerization of 1โmethoxybenzocyclobutene (1) is described. The polymerization of 1 in the presence of a radical initiator afforded an MeOHโinsoluble polymer (3) in moderate yield a
The substituent effect on the radical polymerization of o-quinodimethanes, generated by thermal isomerization of benzocyclobutenes, was investigated. Polymerizations of three benzocyclobutenes bearing electron-withdrawing groups were studied, namely 1-cyanobenzocyclobutene (1), 1-chlorobenzocyclobut
The preferred nature of the "allowed" conrotatory electrocyclic ring openings of cyclobutenes has been extensively documented by both theory and