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Synthesis and properties of a bridged phenalenone incorported into bicyclo[3.2.2]nonane skeleton. 6,9-dihydro-6,9-ethenocyclohepta[gh]phenalen-1-one

✍ Scribed by Yoshikazu Sugihara; Katsuhiro Hashimoto; Masahiro Yoshiakwa; Ichiro Murata

Publisher: Elsevier Science
Year: 1982
Tongue: French
Weight: 247 KB
Volume: 23
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)87223-8

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✦ Synopsis

6,9-Dihydro-6,9-ethenocycloheptalgh]phenalen-l-one (A) has been svnthesized startine from the Diels-Alder adduct 161 of acepleiadiene ( 5) and maleic anhydride through 10 stepsast\rith reasonable yields. Spectroscopic properties of & suggested the intramolecular electron supply from the remote ethylenes to the phenalenone n-systems in the ground-state of this molecule.

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