Oxidative Metabolism of the Mammalian Lignans Enterolactone and Enterodiol by Rat, Pig, and Human Liver Microsomes
作者:Eric Jacobs、Manfred Metzler
DOI:10.1021/jf9809176
日期:1999.3.1
microsomes from aroclor-treated male Wistar rats biotransform enterolactone to 12 metabolites, six of which carry an additional hydroxy group at the aromatic and six at the aliphatic moiety according to HPLC/MS and GC/MS analysis. The aromatic hydroxylation products were identified with the help of synthesized reference compounds as enterolactone monohydroxylated in the para position and in both ortho positions
Synthesis of Antineoplastic Analogs of Aplysiatoxin with Various Side Chain Structures
作者:Kazuhiro Irie、Ryo C. Yanagita、Harukuni Tokuda、Nobutaka Suzuki、Yuki Shu
DOI:10.3987/com-12-s(n)8
日期:——
We have recently developed a simplified analog of aplysiatoxin with anti-proliferative activity (1). To investigate the structure activity relationship of its side chain, an alternative synthetic route of 1 has been established. Via the key intermediate 6, p-hydroxyl or o,m-dihydroxyl derivatives (4 and 5) as well as 1 were synthesized and their biological activities were evaluated. Although the position of the hydroxyl group in the benzene ring did not change the affinity for protein kinase C isozymes or the ability to induce the Epstein-Barr virus early antigen, anti-proliferative activities against several human cancer cell lines of 1 were superior to those of 4.