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Formation and rearrangement of tricyclo[7.1.1.04,10undeca-2,4,6,8-tetraen-10-ol, novel pathway from bicyclo[4.4.1]undeca-1(10),2,4,8-tetraen-11-one to 4-methylazulene

✍ Scribed by Yutaka Fujise; Takashi Morishima; Kimiyoshi Namiwa; Toshihiro Shiokawa; Yoshimasa Fukazawa; Shô Itô

Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
217 KB
Volume
24
Category
Article
ISSN
0040-4039

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✦ Synopsis

By the action of LDA bicycloC4.4.llundeca-1(10),2,4,8-tetraen-1 l-one was found to undergo transannular cyclization to form a unique tricyclic hydroxydihydroozulene which cleaves a C-C bond by Cn8s+u2251 electrocyclic process and eventually give 4-methylazulene.

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