6-aza-5,8,10-trideaza analogues of tetrahydrofolic acid and tetrahydroaminopterin: Synthesis and biological studies
作者:Andre Rosowsky、Henry Bader、Richard G. Moran、James H. Freisheim
DOI:10.1002/jhet.5570260247
日期:1989.3
8-tetrahydrofolic acid (3) and 6-aza-5,8,10-trideaza-5,6,7,8-tetrahydroamino-pterin (4) were synthesized from 6-aza-5,8,10-trideaza-5,6,7,8-tetrahydropteroic acid (5) and 4-amino-6-aza-5,8,10-trideaza-4-deoxy-5,6,7,8-tetrahydropteroic acid (6), respectively, by mixed carboxylic-carbonic anhydride condensation with dimethyl L-glutamate followed by ester hydrolysis. The pteroic acid analogues 5 and 6 were
6-氮杂-5,8,10-三氮杂-5,6,7,8-四氢叶酸(3)和6-氮杂-5,8,10-三氮杂-5,6,7,8-四氢氨基-蝶呤(4)由6-氮杂5,8,10-三氮杂-5,6,7,8-四氢蝶呤酸(5)和4-氨基-6-氮杂5,8,10-三氮杂-4-脱氧合成通过将羧酸-碳酸酐与L-谷氨酸二甲酯混合缩合,然后进行酯水解,分别得到-5,6,7,8-四氢蝶呤酸(6)。从1-苄基-3-碳乙氧基哌啶-4-酮经2-氨基-6-苄基-5,6,7,8-四氢吡啶并[4,3- d]分几步制备蝶酸类似物5和6 ] pyrimidin-4(3 H)-one(7)。化合物3不抑制培养物中L1210小鼠白血病细胞的生长,也不是二氢叶酸还原酶(DHFR)或胸苷酸合酶(TS)的抑制剂。它是小鼠肝叶酰谷氨酸合成酶(FPGS)的非常差的底物。2,4-二氨基类似物4只是FPGS的边缘底物,但显示出与甲氨蝶呤相当的作为DHFR抑制剂和肿瘤