C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 213/02 (2006.01)
Patent
CA 2608553
This invention relates to a method for preparing tetrafluorobenzyl-5- aminosalicylic acid derivative and its pharmaceutically acceptable salt compounds. In particular, this invention relates to a method for preparing tetrafluorobenzyl-5-aminosalicylic acid derivative and its pharmaceutically acceptable salts by using tetrafluorobenzilidine-5-aminosalicylic acid derivative as an intermediate.
Cette invention concerne une méthode de préparation d'un dérivé d'acide tétrafluorobenzyl-5-aminosalicylique et de ses sels pharmaceutiquement acceptables. L'invention concerne en particulier une méthode de préparation d'un dérivé d'acide tétrafluorobenzyl-5-aminosalicylique et de ses sels pharmaceutiquement acceptables en utilisant un dérivé d'acide tétrafluorobenzilidine-5-aminosalicylique comme intermédiaire.
Hwang Tae-Seop
Kim Hyun-Gyu
Choongwae Pharma Corporation
Gowling Lafleur Henderson Llp
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