121505-53-1Relevant articles and documents
A New Route To 1-Azaazulene Ring System By The Reaction Of 1-(Diphenylphosphinyl)azaallyl Anions With Tropone Derivatives
Ito, Koji,Nitta, Makoto
, p. 2247 - 2254 (2007/10/02)
The reaction of 1-(diphenylphosphinyl)azaallyl anions derived from the corresponding imines, with tropones underwent enamine-type alkylation and mainly followed by aza-Wittig reaction to give 1-azaazulene derivatives, in addition to a trace amount of 4H-4