ONE-POT SYNTHESIS OF BENZ[f]INDOLO[3,2-c]ISOCHROMENO-5,7,13-TRIONE DERIVATIVES FROM 2-AMINO-1,4-NAPHTHOQUINONES AND NINHYDRIN

摘要

An efficient method for the preparation of novel benz[f]indolo[3,2-c]isochromeno-5,7,13-triones 3 was described. The construction of this new pentacyclic system was achieved undergo a domino reaction of 2-amino-1,4-naphthoquinones 1 with ninhydrin 2 in one-pot with good yields.