Process for producing 2-amino-1,3-propanediol derivatives

C - Chemistry – Metallurgy – 07 – C

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C07C 213/00 (2006.01) C07C 215/10 (2006.01) C07C 217/28 (2006.01) C07C 219/06 (2006.01)

Patent

CA 2597702

A process for preparing 2-amino-1,3-propanediol derivatives of formula (17): (see formula 17) wherein A is a linear or branched chain alkylene having from 1 to 10 carbon atoms, R1 is a linear or branched chain alkyl having from 2 to 20 carbon atoms, and R4, R6 and R7 are the same or different, and are hydrogen or protecting groups, comprising reducing a compound of formula (19): (see formula 19) wherein A is a linear or branched chain alkylene having from 1 to 10 carbon atoms, R1 is a linear or branched chain alkyl having from 2 to 20 carbon atoms, and R4, R6, R7 and R8 are the same or different, and are hydrogen or protecting groups.

Procédé de préparation de dérivés du 2-aminopropane-1,3-diol de formule (17) (voir la formule 17) où A est un alkylène à chaîne linéaire ou ramifiée de 1 à 10 atomes de carbone, R1 est un alkyle à chaîne linéaire ou ramifiée de 2 à 20 atomes de carbone et R4, R6 et R7 sont les mêmes ou différents, et sont l'hydrogène ou des groupements protecteurs, comprenant la réduction d'un composé de formule (19) (voir la formule 19) où A est un alkylène à chaîne linéaire ou ramifiée de 1 à 10 atomes de carbone, R1 est un alkyle à chaîne linéaire ou ramifiée de 2 à 20 atomes de carbone et R4, R6 et R7 sont les mêmes ou différents, et sont l'hydrogène ou des groupements protecteurs.

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