Described is a method for the preparation of renin inhibitors such as aliskiren, and intermediates useful therein. The method introduces a nitrogen-containing intermediate such as a lactone of formula (8).
with R
4
being a branched C
3-6
alkyl. In the preparation of the lactone, or related intermediates, a desired stereochemical configuration can be controlled by starting from a chiral aldehyde satisfying formula (10).
本文描述了一种制备肾素
抑制剂(如阿利司琼)及其有用中间体的方法。该方法引入了一种含氮的中间体,如式(8)的内酯,其中R4为支链C3-6烷基。在内酯或相关中间体的制备中,可以通过从符合式(10)的手性醛开始,控制所需的立体
化学构型。