Substituted 1-azaazulenes are synthesized from cycloheptatrienylmethyl ketone O-pentafluorobenzoyloximes by the intramolecular Heck-type amination catalyzed by Pd(dba)2–(t-Bu)3P.
1-FORMYLCYCLOHEPTATRIENE. SYNTHESIS BY VILSMEIER REACTION AS NOVEL DIRECT SUBSTITUTION OF CYCLOHEPTATRIENE AND ITS SEVERAL REACTIONS
作者:Toyonobu Asao、Shigeyasu Kuroda、Kazuo Kato
DOI:10.1246/cl.1978.41
日期:1978.1.5
1-Formylcycloheptatriene was obtained by Vilsmeier reaction as novel direct substitution of cycloheptatriene accompanying bitropyl. Reduction, Grignard reaction and condensation reaction of the formyl compound were investigated.