| abstract |
The present invention relates to novel methods, novel processes and novel intermediates useful for the synthesis of pharmaceutically active compounds, especially renin inhibitors such as aliskiren. In particular, the present invention provides compounds of formula III [Chemical 1] [Wherein R, R 1 and R ′ are as defined in the specification. ] Or a salt thereof, and formula IV [Chemical formula 2] [Wherein R, R 1 , R 2 and R ′ are as defined in the specification. ] And the production method thereof. |