ONE-POT SYNTHESIS OF BENZfINDOLO3,2-cISOCHROMENO-5,7,13-TRIONE DERIVATIVES FROM 2-AMINO-1,4-NAPHTHOQUINONES AND NINHYDRIN

摘要

An efficient method for the preparation of novel benzfindolo3,2-cisochromeno-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.