The present invention refers to a process for the synthesis of pemetrexed and salts thereof, in particular to a lysine salt thereof, to said salt as such and to pharmaceutical compositions that comprise the same. Furthermore, the present disclosure also relates to a crystalline form of the synthesis intermediate pemetrexed diethyl ether and a crystalline form of the pemetrexed lysine salt.
本发明涉及一种合成
培美曲塞及其盐的方法,特别是其赖
氨酸盐,以及包含该盐的药物组合物。此外,本公开还涉及合成中间体
培美曲塞二
乙醚的结晶形式和
培美曲塞赖
氨酸盐的结晶形式。