3-hydroxy-5-(3-ethoxycarbonylthiocarbamoyl-2,4,6-trimethylphenyl)-2-propionylcyclohex-2-en-1-one 、
乙氧基胺盐酸盐 、 以gave 2-[1-(ethoxyimino)propyl]-3-hydroxy-5-(3-ethoxycarbonylthiocarbamoyl-2,4,6-trimethylphenyl)cyclohex-2-en-1-one (23) as a yellow oil的产率得到5-[3-(N-ethoxycarbonylthiocarbamoyl)-2,4,6-trimethylphenyl]-2-[1-(ethoxyimino)propyl]-3-hydroxycyclohex-2-en-1-one