Synthesis of New Annelated Indole Systems: New Entry in the E-azaeburnane series.
详细信息 查看全文
文摘
Starting from a judiciously substituted N-aminoindole, the Heck reaction led to new classes of heterocyclic compounds: the pyrido[2′,3′-d′]pyridazino[2,3-a]indoles 7 and 8 and the pyrido[2′,3′-d′]diazepino[1,6,7-h,i]indole 15. From compound 7 the pentacyclic E-azaeburnane 21 was prepared.