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US09051322B2 Process for the production of a pemetrexed salt 有权
培美曲塞盐生产工艺

Process for the production of a pemetrexed salt
摘要:
A process of making a pemetrexed salt comprising: a) reacting a compound of formula II or an acid salt thereof, wherein each of R1 and R2 is independently a C1-C6 alkyl group, with an aqueous basic solution at a temperature of no more than 10° C. to obtain a first mixture comprising the pemetrexed salt; b) isolating the pemetrexed salt from the first mixture.
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