作者:Hajime Nagano、Hiroko Sugihara、Noriko Harada、Natsuko Fukuchi、Keiko Yamada、Hiroko Izawa、Michio Shiota
DOI:10.1246/bcsj.63.3560
日期:1990.12
6-dione in the presence of p-toluenesulfonic acid gave 6,12-epoxy-11β-eudesma-4,6-dien-3-one, which was oxidized with m-chloroperoxybenzoic acid to give (11R)-7α,12-dihydroxyeudesm-4-ene-3,6-dione. Transformation of some other 12-hydroxyeudesman-6-ones into 7,12-dihydroxyeudesman-6-ones was also examined.
(11S)-12-hydroxy-7α-eudesmane-3,6-dione 在对甲苯磺酸存在下的自氧化得到 6,12-epoxy-11β-eudesma-4,6-dien-3-one,它是用间氯过氧苯甲酸氧化得到 (11R)-7α,12-dihydroxyeudesm-4-ene-3,6-dione。还研究了一些其他 12-hydroxyeudesman-6-ones 向 7,12-dihydroxyeudesman-6-ones 的转化。