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第 40 卷第 5 期Vol. 40 No. 5
2010 年 10 月Oct 2010

所屬欄目:醫藥及中間體

5-溴-2-甲基苯肼鹽酸鹽的合成
施險峰1,詹家榮2,廖本仁1 (1.上海華誼(集團)公司技術(shù)中心 精細化工研究室,上海 200241;2.上;瘜W(xué)試劑研究所,上海 200333)
關(guān)鍵詞:5-溴-2-甲基苯肼鹽酸鹽;對甲苯胺;桑德邁爾反應;制備
中圖分類(lèi)號:O626  文獻標識碼:A  文章編號:1009-9212(2010)05-0047-02
Synthesis of 5-Bromo-2-methyl Phenylhydrazine Hydrochloride
SHI Xian-feng1,ZHAN Jia-rong2,LIAO Ben-ren1 (1. Technology Center of Shanghai Huayi Group,Shanghai 200241,China;2. Shanghai Chemical Reagent Research Institute,Shanghai 200233,China)
Abstract:A process suitable for large-scale preparation of 5-bromo-2-methyl phenylhydrazine hydrochloride was developed. The title compound was synthesized from p-toluidines via a series of reactions,including nitration,sandmeyer reaction,nitro reduction,diazotization,reduction. The product was obtained in overall yield of 30%.
Key words:5-bromo-2-methyl phenylhydrazine hydrochloride;p-toluidines;sandmeyer reaction;preparation
作者簡(jiǎn)介:施險峰(1976-),男,上海崇明人,工程師,碩士,主要從事醫藥中間體的研發(fā)工作。(E-mail:shixianfeng007@sina.com)
收稿日期:2010-10-09
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