4-dihydropyrimidin-2相关论文
在硝酸铋[Bi(NO3)3]催化作用下,由醛、乙酰乙酸乙酯(或乙酰丙酮)、脲(或硫脲)三组分“一锅法”合成了一系列3,4-二氢嘧啶-2(1H)-酮衍生物.......
在微波辐射下,仅以六水合三氯化铁为催化剂,将芳香醛、β-二羰基化合物和脲(物质的量比为1:1.5:1.5)在无水乙醇中回流,高效地合成了3,4......
Synthesis of some new bis-3,4-dihydropyrimidin-2(1H)-ones by using silica-supported tin chloride and
Silica-supported tin chloride and titanium tetrachloride were prepared by the reaction of tin chloride and titanium tetr......