Synthesis of 5,6-dihydro-4H-pyrido[3,2,1-jk]carbazolesvia intermolecular [4+2] cycloaddition
摘要:
4-, 4,5- and 4,6-Substituted 5,6-dihydro-4H-pyrido[3,2,1-jk]carbazoles are synthesized regioselectively from carbazole by a novel, two step sequence. (C) 1997 Elsevier Science Ltd.