Folic acid models, 1,3-dimethyl-6-(N-acylarylamino)methyllumazines 9, were synthesized from 6-bromomethyl-1,3-dimethyllumazine (6), which was derived from 5,6-diamino-1,3-dimethyluracil (1) by the condensation with 1,3-dihydroxyacetone, followed by bromination. The bromide 6 was also prepared by the cycloaddition between 3,6,8-trioxo-5,7-dimethyl-5,6,7,8-tetrahydro-3H-pyrimido[5,4-c][1,2,5]oxadiazine
叶酸模型是由衍生自5,6-二
氨基-1,3-的6-
溴甲基-1,3-二甲基lumazine (6)合成的1,3-二甲基-6-(N-酰基芳基
氨基)甲基lumazines 9。通过与1,3-二
羟基丙酮缩合而形成二甲基尿
嘧啶(1),然后进行
溴化。
溴化物6也通过在3,6,8-三氧代-5,7-二甲基-5,6,7,8-四氢-3H-
嘧啶[5,4- c ] [1,2,5 ]恶二嗪(4)和
1-丙烯基三甲基甲
硅烷基醚,然后进行
溴化。叶酸模型9也是由恶二嗪4和3-(N-酰基芳基)
氨基-
1-丙烯基三甲基甲
硅烷基醚8通过环加成。