发明公开
EP2646442A1 A NEW METHOD FOR PRODUCING ANTIFOLATE AGENTS HAVING GLUTAMIC ACID PART IN THEIR STRUCTURE 有权
PRODUCING抗叶酸剂含谷氨酸部结构的一种新方法

A NEW METHOD FOR PRODUCING ANTIFOLATE AGENTS HAVING GLUTAMIC ACID PART IN THEIR STRUCTURE
摘要:
A new method for producing antifolate agents having glutamic acid part in their structure is developed by protecting carboxyl groups of glutamic acid or its N-subsituted derivatives as cyanomethyl ester to give compounds of formula (II) which are hydrolyzed under very mild conditions to afford antifolate agents in high yield with high analytical and optical purity.
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