5-氨基四氮唑 、
3-(p-methoxyphenyl)-2,4-dicaroethoxy-5-hydroxy-5-methylcyclohexanone 在
potassium methanolate 作用下,
反应 10.0h,
以26%的产率得到7-Hydroxy-5-(4-methoxy-phenyl)-7-methyl-4-oxo-4,4a,5,6,7,8-hexahydro-1,2,3,3a,9-pentaaza-cyclopenta[b]naphthalene-6-carboxylic acid ethyl ester