申请人:Cladingboel David
公开号:US20100222335A1
公开(公告)日:2010-09-02
There is provided a process for the preparation of a sulfonic acid salt of formula I, or a solvate thereof, which process comprises hydrogenating a sulfonic acid salt of formula II, or a solvate thereof; in the presence of a solvent system consisting essentially of water, a C
3-5
secondary alkyl alcohol and no more than 15% v/v of another organic solvent, wherein the sulfonic acid salt of formula I is optionally, without isolation, converted to a compound of formula IX, or a pharmaceutically-acceptable derivative thereof, wherein R
1
, R
2
, R
3
, R
6
, R
7
, R
8
, A, B and D have meanings given in the description.
提供了一种制备公式I的磺酸盐或其溶剂化物的方法,该方法包括在存在溶剂体系的条件下,将公式II的磺酸盐或其溶剂化物加氢;所述溶剂体系基本上由水、C3-5次级烷基醇和不超过15%体积/体积的另一种有机溶剂组成;其中公式I的磺酸盐可选择不经过分离,转化为公式IX的化合物或其药学可接受衍生物,其中R1、R2、R3、R6、R7、R8、A、B和D的含义详见说明。