N-[N-(Tetrahydropyrido[2,3-d]pyrimidinylmethyl) aminomethylbenzoyl]glutamic acid derivatives are antineoplastic 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]-glutam ic acid.
N-[N-(四
氢吡啶[2,3-d]
嘧啶基
甲基)
氨甲基苯甲酰基]谷
氨酸衍
生物是一种
抗肿瘤药物,对利用叶酸代谢产物的一个或多个酶具有作用。该化合物可通过将受保护的
氨甲基苯甲酰谷
氨酸衍
生物与2-
氨基-
4-羟基-6-甲酰基
吡啶[2,3-d]
嘧啶反应,还原中间产物席夫碱,并将中间产物经催化
氢化处理而制备得到。一个典型的实施例是(S,S)N-[N-(2-
氨基-
4-羟基-5,6,7,8-四
氢吡啶[2,3-d]
嘧啶-6-基
甲基)-4-
氨甲基苯甲酰基]-谷
氨酸。