The present invention relates to an improved purification process for the preparation of Ertugliflozin (I) and its further conversion to Ertugliflozin L-pyroglutamic acid (L-PGA) co-crystal (II).
本发明涉及一种改进的纯化过程,用于制备Ertugliflozin(I)及其进一步转化为Ertugliflozin L-谷
氨酰胺(L-
PGA)共晶体(II)。