Novel azepino[3,4-b]indol-1-ones were synthesized from alkyne-substituted indole-2-carboxamides by catalytic intramolecular cyclization in the presence of PtCl2. The scope and limitations of this straightforward protocol are reported.
在PtCl 2存在下,通过催化的分子内环化反应,由炔烃取代的吲哚-2-羧酰胺合成了新型的zepino [3,4- b ]吲哚-1-酮。报告了这种简单协议的范围和局限性。