Palladium-catalyzed synthesis of 1-azaazulenes from cycloheptatrienylmethyl ketone O-pentafluorobenzoyl oximes

Substituted 1-azaazulenes are synthesized from cycloheptatrienylmethyl ketone O-pentafluorobenzoyloximes by the intramolecular Heck-type amination catalyzed by Pd(dba)(2)-(t-Bu)(3)P.