The chiral imine, prepared from (−)- or (+)-erythro-2-methoxy-1,2-diphenylethylamine and cyclohexanone, is metalated and alkylated at 0°C to give the corresponding 2-alkylcyclohexanone in 79–92% optical purity.
由(-)-或(+)-赤烷基-2-甲氧基-1,2-二苯
乙胺和
环己酮制得的手性
亚胺在0°C进行
金属化和烷基化,得到相应的2-烷基
环己酮,其旋光度为79-92%纯度。