The synthesis of isoamyl hexanoate with isoamyl alcohol and hexanic acid as reactants and sodium bisulfate as catalyst had been studied.The factors affecting reaction were investigated.The results showed that the appr...The synthesis of isoamyl hexanoate with isoamyl alcohol and hexanic acid as reactants and sodium bisulfate as catalyst had been studied.The factors affecting reaction were investigated.The results showed that the appropriate conditions should be:Weight of catalyst was 0.5g(weight of hexanic acid if 0.2mol);molar ratio of isoamyl alcohol to hexanic acid was 1.2∶1;reaction time was 1.0h;the taking water reagent(Toulene) was 10ml.The yield of isoamyl hexanoate was as high as 96.8%.展开更多
报道了以固载杂多酸盐 Ti Si W12 O4 0 / Ti O2 为多相催化剂 ,通过己酸和异戊醇反应合成了己酸异戊酯 ,探讨了 Ti Si W12 O4 0 / Ti O2 对酯化反应的催化活性 ,较系统地研究了醇酸摩尔比、催化剂用量、反应时间诸因素对收率的影响。实...报道了以固载杂多酸盐 Ti Si W12 O4 0 / Ti O2 为多相催化剂 ,通过己酸和异戊醇反应合成了己酸异戊酯 ,探讨了 Ti Si W12 O4 0 / Ti O2 对酯化反应的催化活性 ,较系统地研究了醇酸摩尔比、催化剂用量、反应时间诸因素对收率的影响。实验表明 :Ti Si W12 O4 0 / Ti O2 是合成己酸异戊酯的良好催化剂 ,在 n(醇 )∶n(酸 ) =1 .6∶ 1 ,催化剂用量为反应物总质量的 1 .5 % ,反应时间 4 5 min,使用环己烷为带水剂的适宜条件下 ,己酸异戊酯的收率可达91 .9%。展开更多
文摘The synthesis of isoamyl hexanoate with isoamyl alcohol and hexanic acid as reactants and sodium bisulfate as catalyst had been studied.The factors affecting reaction were investigated.The results showed that the appropriate conditions should be:Weight of catalyst was 0.5g(weight of hexanic acid if 0.2mol);molar ratio of isoamyl alcohol to hexanic acid was 1.2∶1;reaction time was 1.0h;the taking water reagent(Toulene) was 10ml.The yield of isoamyl hexanoate was as high as 96.8%.
