On the Reaction ofN-Vinyliminophosphoranes. 9. The Synthesis and Reaction ofN-(1,3,5-Cycloheptatrienyl)iminophosphoranes to Provide a Novel Route to 1-Azaazulenes
ON THE REACTION OF<i>N</i>-VINYLIMINOPHOSPHORANES. A NOVEL ROUTE TO 1-AZAAZULENE RING SYSTEM UTILIZING AZA-WITTIG REACTION
作者:Makoto Nitta、Tomoshige Kobayashi
DOI:10.1246/cl.1986.463
日期:1986.4.5
phenylphosphorane, conveniently prepared from α-azidostyrene and triphenylphosphine, readily undergoes an annelation reaction with tropone derivatives to result in the formation of 1-azaazulene ringsystem.