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Polymerization of o -Quinodimethanes Bearing Electron-Donating Groups in Situ Formed by Thermal Isomerization of Benzocyclobutenes

✍ Scribed by Chino, Keisuke; Takata, Toshikazu; Endo, Takeshi

Book ID: 126803559
Publisher: American Chemical Society
Year: 1997
Tongue: English
Weight: 142 KB
Volume: 30
Category: Article
ISSN: 0024-9297
DOI: 10.1021/ma9616928

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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

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## Abstract The first radical polymerization of 1‐methoxy‐__o__‐quinodimethane (2) generated by thermal ring‐opening isomerization of 1‐methoxybenzocyclobutene (1) is described. The polymerization of 1 in the presence of a radical initiator afforded an MeOH‐insoluble polymer (3) in moderate yield a