1-溴丁烷合成实验的改进  

An Improved Experiment on the Synthesis of 1-Bromobutane

作　　者：王保安[1] 闫月荣[1] 闫金龙[1] 李伟[1] 李俊[1] 

机构地区：[1]焦作师范高等专科学校生化系,河南焦作454000

出　　处：《科技视界》2012年第20期20-21,共2页Science & Technology Vision

基　　金：河南省基础与前沿技术研究(No..102300410177;No.102300410186);河南省教育厅自然科学基础研究(No..2010C150001)计划项目

摘　　要：在催化量的浓硫酸存在情况下,以正丁醇、红磷、液溴为原料,合成了1-溴丁烷。考察了反应条件对收率的影响,结果表明在正丁醇18.2mL(0.2mo1)、红磷1.64g(0.053mol)、水1.1mL(0.06mol)、液溴4.3mL(0.08mol)、浓硫酸2.5mL(0.046mol),回流反应2h,收率为83%。1-bromobutane was synthesized from n-butyl alcohol, （red） phosphorus and liquid bromine using sulphuric acid as catalyst. Various affecting factors were investigated. The results showed that the optimum conditions were n-butyl alcohol 0.2mol, （red） phosphorus 0.053mol, distilled water 0.06 mol, liquid bromine 0.08mol and sulphuric acid 0.046 tool, refluxed for 2h, the sepa- rated yield was high up to 83%.

关 键 词：正丁醇 红磷 液溴 1-溴丁烷 

分 类 号：TQ427.26[化学工程]