N,N-dimethylglycine 、 (R)-N-((4-(1-(hydroxymethyl)-4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenyl)biscyanomethylene)hydrazine 在
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
以24 %的产率得到(R)-(3-((4-(2-(dicyanomethylene)hydrazino)phenyl)-4-methyl-6-oxo-5,6-dihydropyridazin-1(4H)-yl)methyl N,N-dimethyl)glycinate