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第 46 卷第 4 期Vol. 46 No. 4
2016 年 8 月Aug 2016

所屬欄目:功能材料

水相法合成3,6-二溴-9-苯基-9H-咔唑的研究
張海濤 (中昊(大連)化工研究設計院有限公司,遼寧 大連 116023)
摘 要:以9-苯基咔唑為原料,以二氯甲烷為輔助溶劑,利用水相法經(jīng)N-溴代丁二酰亞胺(NBS)親電取代反應合成目標產(chǎn)物3,6-二溴-9-苯基-9H-咔唑。在n(9-苯基咔唑)∶n(NBS)=1.00∶2.10,反應溫度25℃,反應時(shí)間120 min的優(yōu)化反應條件下,目標產(chǎn)物3,6-二溴-9-苯基-9H-咔唑的收率為90.6%。
關(guān)鍵詞:9-苯基咔唑;NBS;水相法;輔助溶劑;二氯甲烷
中圖分類(lèi)號:O626.21  文獻標識碼:A  文章編號:1009-9212(2016)04-0078-03
Synthesis of 3,6-Dibromo-9-phenyl-9H-carbazole in Water
ZHANG Hai-tao (China Haohua(Dalian)Research & Design Institute of Chemical Industry Co., Ltd., Dalian 116023, China)
Abstract:3,6-Dibromo-9-phenyl-9H-carbazole was synthesized in water medium using 9-phenylcarbazole as the raw material and NBS as electrophilic substitution reaction reagent. Dichloromethane was used as the secondary solvent, The optimal reaction conditions is: n(9-phenylcarbazole):n(NBS)=1:2.1, the reaction temperature is 25℃, the reaction time is 120 min. The yield of 3,6-dibromo-9-phenyl-9H-carbazole is 90.6%.
Key words:9-phenylcarbazole; NBS; water medium; secondary solvent; dichloromethane
作者簡(jiǎn)介:張海濤(1979-),男,山東濰坊人,高級工程師,研究方向:紫外線(xiàn)吸收劑合成(E-mail:13940807910@163.com)。
收稿日期:2016-07-13
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