Di-tert-butyl 2-(4-chlorophenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate 、
3,4-二甲氧基苯乙胺 在
溶剂黄146 作用下,
以
乙醇 为溶剂,
以55%的产率得到Di-tert-butyl 2-(4-chlorophenyl)-4-{[2-(3,4-dimethoxyphenyl)ethyl]amino}-6-hydroxy-6-methylcyclohex-3-ene-1,3-dicarboxylate