3-氨基-1-苯基-2-吡唑啉-5-酮 、
2,4-diacetyl-5-hydroxy-5-methyl-3-(5-methylfur-2-yl)cyclohexanone 在
sodium ethanolate 作用下,
以
乙醇 为溶剂,
以86%的产率得到7-acetyl-2,4,6,7,8,9-hexahydro-8-hydroxy-5,8-di-methyl-6-(5-methylfur-2-yl)-2-phenyl-1H-pyrazolo-[3,4-c]isoquinolin-1-one