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A new synthetic method of [2.2]cyclophanes from [3.3]cyclophane-2, 11-diones via photodecarbonylation

✍ Scribed by Hajime Isaji; Katsuya Sako; Hiroyuki Takemura; Hitoshi Tatemitsu; Teruo Shinmyozu

Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 118 KB
Volume: 39
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)00716-3

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✦ Synopsis

Photoirradiation of [3.3]

cyclophane-2,11-diones with a high-pressure Hg lamp in benzene provides the corresponding [2.2]cyclophanes in high yields along with [3.2] cyclophane-2-ones.

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