N-[N-(Tetrahydropyrido[2,3-d]pyrimidinylmethyl)aminomethylbenzoyl]glutamic acid derivatives of formula
are anti-neoplastic agents with an effect on one or more enzymes which utilize metabolic derivatives of folic acid. The compounds can be prepared by allowing a protected aminomethylbenzoylglutamic acid derivative to react with 2-amino-4-hydroxy-6-formylpyrido[2,3-d]pyrimidine, reducing the intermediate Schiff base, and subjecting the intermediate to catalytic hydrogenation. A typical embodiment is (S,S) N-[N-(2-amino-4-hydroxy-5,6,7,8-tetrahydropyrido-[2,3-d]pyrimidin-6-ylmethyl)-4-aminomethylbenzoyl]-glutamic acid.
N-[N-(四氢
吡啶并[2,3-d]
嘧啶甲基)
氨甲基苯甲酰基]谷
氨酸衍
生物的式
是一种
抗肿瘤药,对一种或多种利用叶酸代谢衍
生物的酶有影响。这些化合物可以通过使受保护的
氨甲基苯
甲酰基谷氨酸衍
生物与 2-
氨基-
4-羟基-6-甲酰基
吡啶并[2,3-d]
嘧啶反应,还原中间体席夫碱,并使中间体进行催化氢化反应来制备。一个典型的实施方案是 (S,S) N-[N-(2-
氨基-
4-羟基-5,6,7,8-四氢
吡啶并[2,3-d]
嘧啶-6-基甲基)-4-
氨基甲基苯甲酰基]-谷
氨酸。