摘要
研究了以稀土固体超强酸SO_4^(2-)/TiO_2/La^(3+)为催化剂,水杨酸和异丁醇为原料合成水杨酸异丁酯,并考察了影响反应的因素。结果表明,醇酸比为3:1,催化剂用量为1.0g(水杨酸为0.1mol的情况下),带水剂苯为15mL,反应时间为3.0h是最适宜的反应条件,酯化率达96.2％。
The synthesis of isobutyl salicylate with isobutyl alcohol and salicylic acid as reactants and rare - earth solid superacid SO42- /TiO2/La3 + as catalyst have been studied. The factors that had influence on the reaction were investigated. The results showed that the optimal conditions were (for 0. 1 mol of salicylic acid) using 1.0 g of catalyst and 15 mL of benzene (to remove water) with the molar ratio of isobutyl alcohol to salicylic acid being 3:1 and the reaction time being 3.0 h; The yield of isobutyl salicylate under such conditions was about 96.2% .
出处
《有机化学》
SCIE
CAS
CSCD
北大核心
2000年第5期805-807,共3页
Chinese Journal of Organic Chemistry
基金
河北省自然科学基金(编号295108)
关键词
稀土固体超强酸
水杨酸异丁酯
催化合成
rare - earth solid superacid, isobutyl salicylate, catalysis, synthesis
