Process for the preparation of dronedarone

摘要

The subject of the present invention is a novel process for the preparation of N-[2-n-butyl-3-{4-[(3-dibutylamino)propoxy]benzoyl}-1-benzofuran-5-yl]methanesulfonamide of formula I:;
and the new intermediates of the preparation process.

主权项

1. A compound of formula II: wherein X is chloro-, bromo- or iodo atom, hydroxyl- or activated hydroxyl group.