(1R,2S,3S,4R)-4-Hydroxy-4-methyl-2-(4-nitro-phenyl)-6-oxo-cyclohexane-1,3-dicarboxylic acid diethyl ester 在
一水合肼 、
溶剂黄146 作用下,
以
甲苯 为溶剂,
以70%的产率得到t(5)-ethoxycarbonyl-t(6)-hydroxy-c(6)-methyl-r(4)-(p-nitroyphenyl)-4,5,6,7-tetrahydro-3-hydroxy-1(H)-indazole