Synthesis of sec-butyl acetate catalyzed by iodine

The acylation of sec-butanol with acetic anhydride was studied by using iodine as catalyst.The effect of different factors such as the amount of catalyst,the ratio of sec-butanol to acetic anhydride and reaction time on the yield of sec-butyl acetate was carefully studied.The results showed that I_2 had a good catalytic activity.The best reaction conditions were as follows:when the amount of sec-butanol was 0.1mol,the ratio of sec-butanol to acetic anhydride was 1.1,the amount of iodine as catalyst was 0.05g.After reacting for 30 min,the yield of sec-butyl acetate reached 97.6%.The product was colorless and transparent,and was characterized by refractive index and IR.