申请人:Novartis AG
公开号:EP2080754A2
公开(公告)日:2009-07-22
The invention related to a novel process, novel process steps and novel intermediates useful in the synthesis of pharmaceutically active compounds, especially renin inhibitors, such as Aliskiren. Inter alia, the invention relates to a process for the manufacture of a compound of the formula III,
wherein R, R1, R2, R3 and PG are as defined in the specification, or a salt thereof, said manufacture comprising (preferably consisting in)
reacting a compound of the formula I,
with a reagent able to transform hydroxy into X where X is for example a leaving group.
本发明涉及一种新型工艺、新型工艺步骤和新型中间体,这些工艺、步骤和中间体可用于合成具有医药活性的化合物,特别是肾素抑制剂,如阿利吉仑。除其他外,本发明涉及一种制造式 III 化合物的工艺、
其中 R、R1、R2、R3 和 PG 如说明书中所定义,或其盐,所述制造过程包括(最好包括)
使式 I 的化合物反应
与能将羟基转化为 X 的试剂反应,其中 X 例如为离去基团。