作者:Paul F.C. Van Der Meij、Ruth D. Lohmann、Eduard R. De Waard、Tjoe B.R.A. Chen、Upendra K. Pandit
DOI:10.1016/s0040-4020(01)87547-5
日期:1986.1
lead to the formation of products which are derived from an “exocyclic methylene intermediate” analogous to the one formed in the thymidylate synthase reaction. The intermediate has been identified by (a) spectral studies, (b) formation of adducts with dihydropyridine and dihydroquinonline derivatives and (c) its reduction to the corresponding thymine derivative. These results provide chemical precedence
在酸存在下,6-氨基-,6-烷基氨基-和6-苯胺基-1,3-二甲基尿嘧啶(- )与3,4-二苯基-1-甲苯磺酰咪唑烷()的反应导致形成产物,该产物衍生自“环外亚甲基中间体”,类似于在胸苷酸合酶反应中形成的“环外亚甲基中间体”。该中间体已通过(a)光谱研究,(b)与二氢吡啶和二氢喹啉衍生物形成加合物和(c)将其还原为相应的胸腺嘧啶衍生物进行了鉴定。这些结果为脱辅酶-底物复合物和辅酶5,10-亚甲基四氢叶酸的模型之间的反应中的胸苷酸合酶反应的碳转移步骤提供了化学优先顺序。