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 I.
or a salt thereof, wherein R1 as well as Act are as defined in the specification, and processes of manufacturing this compound as well as intermediates in this process.
本发明涉及一种新的过程、新的过程步骤和新的中间体,适用于合成药物活性化合物,特别是肾素
抑制剂,如阿利司他。此外,本发明还涉及一种制备式I化合物或其盐的方法,其中R1和Act如规范中定义,以及制备该化合物和该过程中的中间体的方法。