The present invention relates to a simple process for producing 2-aminothiazoleacetic acid derivatives useful as intermediates for producing cephalosporin-type antibiotics. The process for producing chloroacetylaminothiazoleacetic acid derivatives represented by the following formula (II)
wherein R1 is a protection group for the hydroxyl group,
comprises reacting aminothiazoleacetic acid derivatives represented by the following formula (I)
wherein R1 is a protection group for the hydroxyl group,
with a chloroacetylating agent.
本发明涉及一种生产
2-氨基噻唑乙酸衍
生物的简单工艺,该衍
生物可用作生产
头孢菌素类抗生素的中间体。该工艺用于生产下式(II)所代表的
氯乙酰
氨基
噻唑乙酸衍
生物
其中 R1 是羟基的保护基团、
包括使下式(I)代表的
氨基
噻唑乙酸衍
生物反应
其中 R1 是羟基的保护基团、
与
氯乙酰化剂反应。