pyrido[2相关论文
A series of pyrido[2,3-d]pyrimidine derivatives were easily constructed by cyclocondensation reactions of 6-aminouracils......
An efficient synthesis of hexahydropyrido[2,3-d]pyrimidinetrione derivatives is achieved via tandem Knoevenagel-Michael ......
3,5,6-哌嗪三酮-2-甲酰胺(5)经与PCL<sub>5</sub>-POCL<sub>3</sub>反应制得3,5,6-三氯-2-氰基吡嗪(6)。6经转化为甲酯(7)再水解为3,5,6-......
以芳醛、丙二腈和4-氨基-2,6-二羟基嘧啶为原料,在离子液体[bmim+][BF4-]中80℃反应,合成了一系列的7-氨基-6-氰基-5-芳基吡啶并[2......
以芳醛、丙二腈和2,6-二羟基-4-氨基啼啶为原料,在KF/Al2O3催化下以乙醇为溶剂,在80℃三组分一步合成了一系列吡啶并[2,3-d]嘧啶衍生物......
以芳醛、麦氏酸和3-甲基-1-苯基-5-氨基吡唑为原料,经微波辐射一步得到4-芳基-3-甲基-6-氧代-1-苯基-4,5,6,7-四氢吡啶并[2,3-c]吡......