THE SYNTHESIS OF 5<i>H</i>-CYCLOHEPT[<i>a</i>]AZULEN-5-ONE AND ITS NOVEL REACTION WITH A SULFUR YLIDE: THE FORMATION OF A NEW HETEROCYCLIC SYSTEM
作者:Masafumi Yasunami、Atsushi Takagi、Kahei Takase
DOI:10.1246/cl.1982.2027
日期:1982.12.5
5H-Cyclohept[a]azulen-5-one and its 11-methoxycarbonyl derivative were synthesized. The latter reacted in a novel manner with a sulfur ylide to give a newheterocyclic compound having 5-oxa-5H-dicyclohepta[cd,hi] indene skeleton.