Selective Reduction of a,b-Unsaturated Steroidal Carbonyl Compounds by NaBH4 in Presence of Guanidine Hydrochloride in Dioxane
作者:Salman Ahmad Khan、Abdullah M. Asiri
DOI:10.14233/ajchem.2014.16363
日期:——
A selective hydrogenation of a,b-unsaturated steroidal carbonyl compounds with NaBH4 in the presence of guanidine hydrochloride in dioxane in good to excellent yields are described.
[EN] SIDE-CHAIN HYDROXYLATED CHOLESTEROL DERIVATIVES, AGENTS FOR DISSOLUTION OF CHOLESTEROL GALLSTONES
申请人:THE UNIVERSITY OF COLORADO FOUNDATION, INC.
公开号:WO1991015213A1
公开(公告)日:1991-10-17
(EN) A method for treatment of cholesterol gallstones employing side-chain hydroxylated cholesterol derivatives is provided. In particular a method for treatment of gallstones which involves the administration of 25- or 26-hydroxycholesterol to patients is disclosed.(FR) Un procédé de traitement de calculs biliaires à cholestérol, qui emploie des dérivés de cholestérol hydroxylé à chaîne latérale est décrit. En particulier, un procédé de traitement de calculs biliaires qui consiste à administrer du 25- ou 26-hydroxycholestérol aux patients est décrit.
Reactivity and Geometry in Allylic Systems. I. Stereochemistry of Photosensitized Oxygenation of Monoölefins<sup>1,2</sup>