节点文献
苯甲醛和丙酰氯联产工艺的研究
Joint preparation of benzaldehyde and propionylchloride
【摘要】 研究了苄叉二氯和丙酸在Lewis酸催化下反应生成苯甲醛和酰氯的工艺;0.8 mol丙酸和0.8 mol苄叉二氯在0.4 g的ZnO/SnCl2存在下,于120~140℃反应2~3h,生成物用蒸馏的方法纯化得到苯甲醛和丙酰氯,收率>90%,纯度>98%。
【Abstract】 The catalytic processes were provide for simultaneous preparation of benzaldehyde and propionylchloride in the presence of ZnO/SnCl2. The reaction of 0.8 mol benzalchloride and 0.8 mol propanoic acid was carried out at 120-140℃ for 3 h to produce the mixture, then distilled to obtain benzaldehyde and propionylchloride with yield>90% and purity>98%.
【关键词】 苯甲醛;
丙酰氯;
苄叉二氯;
联产;
【Key words】 Benzaldehyde; Propionylchloride; Benzalchloride; Joint preparation;
【Key words】 Benzaldehyde; Propionylchloride; Benzalchloride; Joint preparation;
- 【文献出处】 化工时刊 ,Chemical Industry Times , 编辑部邮箱 ,2000年06期
- 【分类号】TQ245;TQ222
- 【被引频次】2
- 【下载频次】126