Synthese und Charakterisierung der 8 isomeren, im Ring B mono- bzw. dihydroxylierten Royleanone
作者:Heidi Meier、Peter Rüedi、Conrad Hans Eugster
DOI:10.1002/hlca.19810640304
日期:1981.4.29
Synthesis and Characterization of the 8 Stereoisomeric Royleanones with One or Two Hydroxy Groups in RingB
B环中一个或两个羟基的8种立体异构体酮基酮的合成与表征
Abietane diterpenoids from Coleus zeylanicus
作者:Raj Mehrotra、R.A. Vishwakarma、R.S. Thakur
DOI:10.1016/0031-9422(89)80293-6
日期:1989.1
Abstract An ethanolic extract of the plant Coleuszeylanicus afforded two new abietane type diterpenoids characterized as 7β-acetoxy-6β-hydroxyroyleanone and 7β, 6β-dihydroxyroyleanone. The known stereoisomer, 7α-acetoxy-6β-hydroxyroyleanone has also been isolated from the same plant.