申请人:Toyama Chemical Co., Ltd.
公开号:US04667040A1
公开(公告)日:1987-05-19
This invention relates to a novel process for producing a 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof which are useful in producing a cephalosporin antibiotic, and to intermediates for said derivative and salt and a process for producing the intermediates.
本发明涉及一种新的制备2-(
2-氨基噻唑-4-基)乙酰基酸衍
生物或其盐的方法,该衍
生物或其盐在制备
头孢菌素类抗生素时有用,并涉及制备该衍
生物和盐的中间体的方法以及制备中间体的方法。