作者:Gérard Aranda、Mireille Bertranne、Marcel Fétizon、Recaredo Infante
DOI:10.1016/0039-128x(92)90010-7
日期:1992.4
Regioselective oxidation of methyl beta-muricholate to give the 6-ketoderivative is described. Stereoselective reduction of this ketone with tritiated NaBH4 furnishes labeled methyl beta-muricholate. The structure of all compounds was confirmed by infrared, H-1, and C-13 nuclear magnetic resonance spectroscopy. Data obtained by circular dichroism and mass spectroscopy were in agreement with the structure of the ketone 3.