The present invention relates to an improved process for the preparation of Cilastatin Sodium of formula (I), having mesityl oxide content less than 2000 ppm and more than 1 ppm. (Formula I) (I)
本发明涉及一种改进的制备公式(I)的
西司他丁钠的方法,其
甲苯酮含量小于2000 ppm且大于1 ppm。(公式I)(I)