第 49 卷第 4 期Vol. 49 No. 4
2019 年 8 月Aug 2019

所属栏目:医药及中间体

2-苄氧基溴乙烷的合成
张宗磊1,郭亚芸2,孙晋瑞1,邓玉晓1,段崇刚1,张 宁1* (1. 山东省药学科学院,山东省化学药物重点实验室,山东 济南 250101;2. 山东省葡萄研究院,山东 济南 250100)
摘 要:以溴苄和乙二醇为起始原料,经亲核取代、酯化和溴代三步反应合成了芜地溴铵中间体2-苄氧基溴乙烷,总收率77.5%,产品纯度>99.0%,其结构经1H NMR、MS确证。该方法操作简单、无超低温等苛刻反应条件,目标产物不需精馏和柱层析纯化,适合工业化生产。
关键词:芜地溴铵;2-苄氧基溴乙烷;合成
中图分类号:O625  文献标识码:A  文章编号:1009-9212(2019)04-0041-04
Synthesis of Benzyl 2-Bromoethyl Ethe
ZHANG Zong-lei1, GUO Ya-yun2, SUN Jin-rui1, DENG Yu-xiao1, DUAN Chong-gang1, ZHANG Ning1* (1. Key Lab for Chemical Drug Research of Shandong Province, Shandong Academy of Pharmaceutical Science, Jinan 250101, China; 2. Shandong Academy of Grape, Jinan 250100, China)
Abstract:Benzyl 2-bromoethyl ether was synthesized through a three-step reaction including nucleophilic substitution, esterification and bromination using benzyl bromide and ethylene glycol as the starting materials with an overall yield of 77.5% and a purity of >99%. The structure of the product was characterized by 1H NMR and MS. This synthetic route had the advantages including simple to operate, no ultra-low temperature and other harsh reaction condition. The target product does not require distillation and column chromatography purification, and is more suitable for industrial production.
Key words:umeclidinium bromide; benzyl 2-bromoethyl ether; synthesis
作者简介:张宗磊(1984-),男,山东郓城人,工程师,硕士,研究方向:药物合成研究(E-mail:98jiqing@163.com)。
联 系 人:张 宁,主管药师,研究方向:药物合成研究(E-mail:zhangningshenyang@163.com)。
收稿日期:2019-07-05