3-氨基-1,2,4-三氮唑 、
3-(p-methylphenyl)-2,4-dicarboethoxy-5-hydroxy-5-methylcyclohexanone 在
potassium methanolate 作用下,
反应 10.0h,
以42%的产率得到ethyl 8-hydroxy-8-methyl-6-(4-methylphenyl)-5-oxo-5a,6,7,9-tetrahydro-[1,2,4]triazolo[3,4-b]quinazoline-7-carboxylate