(-)-trans-(2R)-bromo-(5R)-methylcyclohexanone p-toluenesulfonylhydrazone

2-溴乙胺氢溴酸盐

对硝基苯甲醛

三乙胺

(+)-trans-(2R)-bromo-(5R)-tert-butylcyclohexanone p-toluenesulfonylhydrazone