Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Tropylation of Azulene, 1-Oxaazulan-2-one, and Their Derivatives, and Electrophilic Reactions of the Tropylazulene Derivatives
Tetsuo NozoeTakashi TodaToyonobu AsaoAkira Yamanouchi
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1968 Volume 41 Issue 12 Pages 2935-2941

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Abstract

The tropylation of azulene, oxaazulan-2-one, and their derivatives was investigated, and various 1 and/or 3-tropylazulenes and 3-tropyloxaazulan-2-ones were obtained. The NMR, UV, and visible spectra of these tropylazulenes were then discussed. Some electrophilic reactions, such as azo-coupling and the acid treatment of four kinds of tropylazulenes, were studied, and it was found that exchanges of the tropyl group and the attacking electrophilies occurred.

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