第 46 卷第 3 期Vol. 46 No. 3
2016 年 6 月Jun 2016

所属栏目:医药及中间体

3,6-二溴-9-(4-溴苯基)-9H-咔唑的合成
张海涛,左洪亮,许 汉 (中昊(大连)化工研究设计院有限公司,辽宁 大连 116023)
摘 要:以咔唑为原料,经两步反应和一锅法分别合成目标产物3,6-二溴-9-(4-溴苯基)-9H-咔唑。N-芳基化反应和N-溴代丁二酰亚胺(NBS)的亲电取代反应均采用N,N-二甲基甲酰胺做溶剂,并使用将反应母液加入甲醇的方法,以69.6%的收率得到目标产物3,6-二溴-9-(4-溴苯基)-9H-咔唑。
关键词:咔唑;N-芳基化反应;4-溴碘苯;N-溴代丁二酰亚胺
中图分类号:TQ251.3+5  文献标识码:A  文章编号:1009-9212(2016)03-0039-03
Synthesis of 3,6-Dibromo-N-(4-bromo-phenyl)-9H-carbazole
ZHANG Hai-tao, ZUO Hon-liang, XU Han (China Haohua(Dalian)Research &Design Institute of Chemical Industry Co., Ltd. 116023, China)
Abstract:3,6-Dibromo-9-(4-bromophenyl)-9H-carbazole was synthesized vis one-pot and two-step reactions using carbazole as the raw material. DMF was used as N-arylation and NBS electrophilic substitution reaction solvent, and methanol was added to the reaction mother liquor to obtain a higher yield of the desired product. A typical total yield of 69.6% was obtained.
Key words:carbazole; N-arylation; 4-bromo-iodobenzene; NBS
作者简介:张海涛(1979-),男,山东潍坊人,高级工程师,研究方向:紫外线吸收剂合成(E-mail:13940807910@163.com)。
收稿日期: 2016-04-0