用盐酸环己醇会和氯化氢反生取代反应、生成氯代环己烷
C6H11-OH+HCL=C6H11-CL+H2O
用乙酸不会有副反应发生
C6H11-OH+NACLO+CH3COOH=C6H10=O+NACL+H2O+CH3COOH