Patent ID: 8987413
Filing Date: 2015-03-24
Classification: C07C,C07D,C07K

Abstract:
1. A process for the preparation of a cyclic depsipeptide compound of the formula I, wherein A X is bound via an N of A R R R R R Y is hydrogen or C or a salt thereof, said process comprising deprotecting a compound of the formula II wherein the aldehyde protecting group(s) Rk and Rl are independently of each other unsubstituted or substituted alkyl or together with the two binding O atoms and the carbon atom to which the two O atoms are bound form a ring that is unsubstituted or substituted, Y is as defined for a compound of the formula I and X*, A and, if desired, converting a free compound of the formula I into a salt, a salt of a compound of the formula I into a different salt of a compound of the formula I, or into the free compound of the formula I, and/or converting a dehydrate analogue and/or five ring analogue of a compound of the formula I into the corresponding compound of the formula I.