Synthesis of (s)-(+)-3-(aminomethyl)-5-methyl hexanoic acid

Details Synthesis of (s)-(+)-3-(aminomethyl)-5-methyl hexanoic acid Synthesis of (s)-(+)-3-(aminomethyl)-5-methyl hexanoic acid

C - Chemistry, Metallurgy

07

C

C07C 247/12 (2006.01)

Patent

CA 2681313

Provided are syntheses of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid, (S)- Pregabalin via a chiral intermediate of the following formula (4) wherein Ar is a C6-10 aromatic group, R is a straight or branched C1-4 alkyl, ester, or carboxylic acid, and R1 is a straight or branched C1-5 alkyl, aralkyl, or substituted aralkyl.

La présente invention concerne des synthèses de l'acide (S)-(+)-3-(aminométhyl)-5-méthylhexanoïque, de la (S)-prégabaline via un intermédiaire chiral de formule (4) suivante, Ar représentant un groupe aromatique en C6 à C10, R représentant un alkyle, un ester, ou un acide carboxylique en C1 à C4 linéaire ou ramifié, et R1 représentant un alkyle, un aralkyle, ou un aralkyle substitué en C1 à C4 linéaire ou ramifié.

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