反应详情

Ethyl 2-(2-aminothiazol-4-yl)2-n-hexyloxyiminoacetate (syn isomer, 29.1 g.), methanol (97.2 ml.), 2N aqueous solution of sodium hydroxide (97.2 ml.) and tetrahydrofuran (50 ml.) were treated in a similar manner to that of Example F-(4) to give 2-(2-aminothiazol-4-yl)-2-n-hexyloxyiminoacetic acid (syn isomer, 24.0 g.), mp. 174° C. (dec.