NEW PROCESS FOR THE SYNTHESIS OF 7,8-DIMETHOXY-1,3-DIHYDRO-2H-3- BENZAZEPIN-2-ONE, AND APPLICATION IN THE SYNTHESIS OF IVABRADINE AND ADDITION SALTS THEREOF WITH A PHARMACEUTICALLY ACCEPTABLE ACID

摘要

The invention refers to a method for production of compounds of the formula (I) and use thereof in the synthesis of ivabradine, its addition salts and hydrates.