pyrazine-2,5-dicarboxaldehyde methyl(pyridin-2-yl)hydrazone 、
4-{1-methyl-2-(pyridin-2-ylmethylene)hydrazinyl}-6-(1-methylhydrazinyl)pyrimidine 以
乙醇 为溶剂,
以75%的产率得到pyrazine-2,5-dicarboxaldehyde methyl{6-[1-methyl-2-(pyridin-2-ylmethyl-ene)hydrazino]pyrimidin-4-yl}hydrazone methyl(pyridin-2-yl)hydrazone