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 VI,
or a salt thereof, wherein R
1
, R
2
, R
3
and R′ are as defined in the specification, and processes of manufacturing this compound including intermediates.
本发明涉及一种新颖的过程、新颖的过程步骤和新颖的中间体,用于合成药物活性化合物,特别是肾素
抑制剂,例如阿利司琳。此外,本发明涉及一种制造公式VI化合物或其盐的过程,其中R1、R2、R3和R′如规范中所定义,并包括制造该化合物的中间体的过程。