Synthesis of the penta-glutamyl derivative of<i>N</i>-[4-[<i>N</i>-[3-(2,4-diamino-1,6-dihydro-6-oxo-5-pyrimidinyl)-propyl]amino]benzoyl]-L-glutamic acid (5-DACTHF). An acyclic analogue of tetrahydrofolic acid
作者:Virgil L. Styles、James L. Kelley
DOI:10.1002/jhet.5570270654
日期:1990.9
N-[4-[N-[3-(2,4-diamino-1,6-dihydro-6-oxo-5-pyrimidinyl)propyl]amino]-benzoyl)-L-glutamic acid (1, 5-DACTHF, 543U76) was synthesized by a convergent route. L-γ-Glutamyl-L-γ-glutamyl-L-γ-glutamyl-L-γ-glutamyl-L-γ-glutamyl-L-glutamic acid heptakis t-butyl ester (20) was prepared in ten steps from L-glutamic acid di-t-butyl ester and N-(benzyloxycarbonyl)-L-glutamic acid α-t-butyl ester. 4-[N-[3-(2,4-Diamino-1
N- [4- [ N- [3-(2,4-二氨基-1,6-二氢-6-氧代-5-嘧啶基)丙基]氨基]-苯甲酰基)-L-谷氨酸的五谷氨酰基衍生物(1,5-DACTHF,543U76)通过会聚路线合成。L-γ-谷氨酰基-L-γ-谷氨酰基-L-γ-谷氨酰基-L-γ-谷氨酰基-L-γ-谷氨酰基-L-谷氨酸庚基叔丁基酯(20)由L-经十个步骤制备谷氨酸二吨丁基酯和ñ - (苄氧羰基)-L-谷氨酸α -叔丁基酯。由嘧啶基丙醛3合成的4- [ N- [3-(2,4-二氨基-1,6-二氢-6-氧代-5-嘧啶基)丙基]三氟乙酰胺基]苯甲酸(6)分三步,与20缩合,然后脱保护得到N- [4- [ N- [3-(2,4-二氨基-1,6-二氢-6-氧代-5-嘧啶基)丙基]氨基]苯甲酰基]-L-γ-谷氨酰基-L-γ-谷氨酰基-L-γ-谷氨酰基-L-γ-谷氨酰基-L-γ-谷氨酰基-L-谷氨酸(2)。六谷氨酸盐2是有效的甘氨酰胺核糖核苷酸转化酶抑制剂。