Process for the production of (alkoxycarbonylamino)alkyl...

C - Chemistry – Metallurgy – 07 – C

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C07C 303/28 (2006.01) C07C 269/04 (2006.01) C07C 309/15 (2006.01) C07C 309/30 (2006.01) C07C 309/39 (2006.01)

Patent

CA 2610205

There is provided a process for the preparation of a compound of formula I, which process comprises: (a) reaction of a compound of formula II, HO-D-NH2 II with a compound of formula III, followed by (b) reaction of the intermediate of formula IV thereby formed, IV with base and a compound of formula V, R2S(O)2L2 V, wherein the intermediate of formula IV is not isolated, and wherein D, R1, R2, L1 and L2 have meanings given in the description.

La présente invention décrit un procédé de synthèse d'un composé de formule I, ledit procédé comprenant : (a) la réaction d'un composé de formule II, HO-D-NH2 II avec un composé de formule III, suivie de (b) la réaction de l'intermédiaire de formule IV ainsi formé, IV avec une base et un composé de formule V, R2S(O)2L2 V, où ledit intermédiaire de formule IV n'est pas isolé, et où D, R1, R2, L1 et L2 sont tels que définis dans la description de l'invention.

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