催化加氢法制备环庚胺  

Production of cycloheptamine by catalytic hydrogenation

作　　者：王勤 呙茗婕 罗志臣[2] WANG Qin;GUO Mingjie;LUO Zhichen(Changzhou Xia Qing Science and Technology Co.Ltd.,Changzhou Engineering Technology Research Center,Changzhou 213000,China;Department of Chemical Engineering of Yangzhou Polytechnic Institute,Yangzhou 225127,China)

机构地区：[1]常州夏青科技有限公司常州市工程技术研究中心,江苏常州213000 [2]扬州工业职业技术学院化学工程学院,江苏扬州225127

出　　处：《化工科技》2020年第6期45-48,共4页Science & Technology in Chemical Industry

摘　　要：以环庚酮和盐酸羟胺反应制备环庚酮肟,再用Pd负载量5%的Pd/C对环庚酮肟进行催化加氢制备环庚胺。实验结果表明,Pd负载量5%的Pd/C对环庚酮肟催化加氢反应具有良好的催化活性,最佳工艺条件为t=50℃、p=0.5 MPa,t=8 h,总收率可达到98%。该工艺具有后处理方便、产品收率高、纯度高及便于工业化生产等优点。Cycloheptamine was produced from catalytic reaction of cycloheptanone oxime by Pd/C with 5%Pd loading.Cyclohexanone oxime was prepared by the reaction of cyclohexanone with hydroxylamine hydrochloride.The reaction process and results show that Pd/C with 5%Pd loading has good catalytic activity for the hydrogenation of cyclohexanone oxime.The optimum reaction conditions are 50℃and 0.5 MPa for 8 h,and the total yield can reach 98%.The process has the advantages of convenient post-treatment,high yield,high purity and easy industrial production.

关 键 词：环庚酮 PD/C 环庚胺 催化氢化 

分 类 号：O624[理学—有机化学]