Method for producing 4,4-dimethyl-3&bgr;-hydroxypregna-8, 14-diene-21-carboxylic acid esters and intermediate products obtained by said method
申请人:Schering AG
公开号:US06653491B1
公开(公告)日:2003-11-25
The invention relates to a method for representing compounds of the general formula (1). The invention further relates to the hitherto unknown compounds of general formulas (5, 6 and 7) in the form of intermediate products and to the use of 4,4-dimethyl-3&bgr; hydroxypregna-8,14-diene-21-carboxylic acid esters of the general formula (1) for producing 4,4-dimethyl-5&agr;-cholesta-8,14,24-triene-3&bgr;-ol (2).
本发明涉及一种表示通式(1)化合物的方法。本发明还涉及通式(5,6和7)的迄今未知的中间体化合物以及使用通式(1)的4,4-二甲基-3&bgr;羟基孕-8,14-二烯-21-羧酸酯来生产4,4-二甲基-5&agr;-胆甾-8,14,24-三烯-3&bgr;-醇(2)的用途。