When N-(4-hydroxycyclohexyl) acetamide with the cis-trans ratio 66:34 as start material, it can make up 66 to 68 percent trans isomer of total cis and trans isomers in the equilibrium solution through epimerization.

• 当以顺反比66:34的4-乙酰氨基环己醇为原料时,平衡产物中,反式异构体可占总醇分率的66%25~68%25。