申请人:SANDOZ AG
公开号:WO2004016623A1
公开(公告)日:2004-02-26
7-[2-(2-aminothiazol-4-yl)-2-(methylcarbonyloxyimino)acetamido]-3-vinyl-cephem-4-carboxylic acid of formula (I), in the form of a crystalline salt and use thereof, e.g. in the preparation of pure cefdinir. In another aspect this invention relates to the compound of formula (I) in the form of a salt, optionally in crystalline form, wherein the salt is selected from the group consisting of phosphate, hydrogen phosphate, mesylate, tosylate, sulfate, hydrogen sulfate and sulfamate.
本发明涉及公式(I)的7-[2-(2-氨基噻唑-4-基)-2-(甲基羰氧肟基)乙酰氨基]-3-乙烯基头孢菌素-4-羧酸晶体盐及其用途,例如在纯头孢地尼尔的制备中的应用。在另一方面,本发明涉及公式(I)的化合物,其以盐的形式存在,可选地为晶体形式,所述盐选择自磷酸盐、氢磷酸盐、甲磺酸盐、对甲苯磺酸盐、硫酸盐、氢硫酸盐和磺酰胺盐的群组。