Patent ID: 7329751

Claim:
A process for the preparation of methyl [(S)-2-(2-chlorophenyl)-2-(4,5,6,7-tetrahydrothieno [3,2-c]-5-pyridyl)acetate] (1), or a pharmaceutically acceptable salt thereof, wherein said process comprises, reacting N,N′-bis-4,5,6,7-tetrahydro-[3,2-c]-thienopyridyl methane (12) with a (R)-2-chlorophenylacetic acid derivative of formula (13) wherein: R is a hydrogen atom or a straight or branched C 1 -C 4 alkyl group, and X is: a halogen selected from fluorine, chlorine, bromine and iodine; a OSO 2 R 1 group wherein R 1 is a straight or branched C 1 -C 4 alkyl group, optionally substituted with one or more halogen atoms, a straight or branched C 1 -C 8 perfluoroalkyl group, an aromatic ring optionally substituted with one or more halogen atoms, straight or branched C 1 -C 4 alkyl groups, or nitro groups; a OCOR 1 ester group in which R 1 has the meanings defined above; a —ONO 2 group; a OP(OR) 2 phosphite group or a OPO(OR) 2 phosphate group, in which R has the meaning as defined above; and, if desired, salifying a compound of formula (I).