Studies on quinones. Part 34: The reaction of styrene with activated 1,4-benzoquinones: access to potential antiprotozoal pyranobenzoquinones
作者:Jaime A Valderrama、David Pessoa-Mahana、Ricardo A Tapia、Antonieta Rojas de Arias、Héctor Nakayama、Susana Torres、Jorge Miret、Marı́a Elena Ferreira
DOI:10.1016/s0040-4020(01)00860-2
日期:2001.10
electrophilic monosubstituted 1,4-benzoquinones to provide pyranobenzoquinone and phenanthrene derivatives, depending on the nature of the quinone substituent. The participation of transient Diels–Alderadduct intermediates in these reactions and their thermal-induced rearrangements are discussed. The in vitro antiparasital effects of the pyranobenzoquinones against Trypanosoma cruzi and Leishmania spp. are reported