Nonclassical 5-substituted tetrahydroquinazolines as potential inhibitors of thymidylate synthase
作者:Aleem Gangjee、Anil Vasudevant、Roy L. Kisliuk
DOI:10.1002/jhet.5570340605
日期:1997.11
overcome some of the disadvantages of classical inhibitors, there has been considerable interest in the synthesis and evaluation of nonclassical thymidylate synthase inhibitors, which could enter cells via passive diffusion. In an attempt to elucidate the role of saturation of the B-ring of non-classical, quinazoline antifolate inhibitors of thymidylate synthase, analogues 7-17 were designed. Analogues 13-17
胸苷酸的经典抑制剂合酶如ñ 10 -propargyl -5,8- dideazafolic酸(1),ñ - (5- [N-(3,4-二氢-2-甲基-4-氧喹唑啉-6-基甲基) - N-甲基氨基] -2-thenoyl)-L-谷氨酸(ZD1694,2)和N- [2-氨基-4-氧代-3,4-二氢(吡咯并[2,3- d ] pyrintidin-5-yl )乙基苯甲酰基] -L-谷氨酸(LY231514,3)虽然有效,但存在许多潜在的缺点,例如由于细胞摄取所需的主动转运系统发生改变而导致摄取减少以及长效形成,非排泄的聚谷氨酸通过叶酸聚谷氨酸合成酶的作用,是造成毒性的原因。为了克服经典抑制剂的一些缺点,人们对非经典胸苷酸合酶抑制剂的合成和评估有了相当大的兴趣,它们可以通过被动扩散进入细胞。为了阐明胸腺嘧啶合酶的非经典喹唑啉类抗叶酸抑制剂的B环饱和作用,设计了类似物7-17。合成了在7-位含有甲基