REACTION OF 5, 13-DI-TERT-BUTYL-8, 16-DIMETHYL [2. 2] METACYCLOPHAN-1-ENE WITH DICHLOROCARBENE

Masashi Tashiro; Kazumasa Kobayashi; Takehiko Yamato; Kunitoshi Yoshihira; Kayoko Kawazoe; Sadao Sato; Chihiro Tamura

doi:10.1248/cpb.32.4220

Masashi Tashiro, Kazumasa Kobayashi, Takehiko Yamato, Kunitoshi Yoshihira, Kayoko Kawazoe, Sadao Sato, Chihiro Tamura

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Keywords: cycloheptatrienophanene

JOURNAL FREE ACCESS

1984 Volume 32 Issue 10 Pages 4220-4222

DOI https://doi.org/10.1248/cpb.32.4220

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Abstract

Treatment of 5, 13-di-tert-butyl-8, 16-dimethyl [2. 2] metacyclophan-1-ene with 50% KOH in a mixture of chloroform and benzene in the presence of tetrabutylammonium chloride as a phase transfer catalyst afforded a heptafluvenophanene and a cycloheptatrienophanene in 17% and 22% yields.

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