Process for producing 2-(2-aminothiazol-4- yl)glyoxylic acid...

Details Process for producing 2-(2-aminothiazol-4- yl)glyoxylic acid... Process for producing 2-(2-aminothiazol-4- yl)glyoxylic acid...

C - Chemistry, Metallurgy

07

D

260/310.5

C07D 277/38 (2006.01) C07C 49/16 (2006.01) C07D 417/12 (2006.01) C07F 7/10 (2006.01)

Patent

CA 1197251

Abstract for Divisional Application I ABSTRACT OF THE DISCLOSURE This invention relates to a process for producing a novel compound represented by the following formula or a salt thereof which are useful intermediate for 2-(2- aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, Image wherein R1 is an amino group which may be protected by the conventional protecting group in the field of cephalosporin, and R3 is a monohalogenomethyl, an alkylthiocarbonyl or an aralkylthiocarbonyl group.

475355

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