首页 | 本学科首页   官方微博 | 高级检索  
     检索      

立体选择性合成内型N-Boc-N-去甲托品醇
引用本文:房元英,王琦,李志峰,金一,许军,杨尊华.立体选择性合成内型N-Boc-N-去甲托品醇[J].合成化学,2015,23(10):957-959.
作者姓名:房元英  王琦  李志峰  金一  许军  杨尊华
作者单位:1. 江西中医药大学 中药固体制剂制造技术国家工程研究中心,江西 南昌 330006; 2. 江西中医药大学 药学院,江西 南昌 330004
基金项目:国家自然科学基金资助项目(81460526)
摘    要:以托品酮为起始原料,与氯甲酸氯乙酯经脱甲基化反应制得脱甲基托品酮(1); 1与Boc酸酐反应制得N-Boc-N-去甲托品酮(2);以三仲丁基硼氢化锂为还原剂,2经还原反应立体选择性合成了内型N-Boc-N-去甲托品醇(内型/外型=6.5/1),总收率60%,其结构经1H NMR和ESI-MS确证。

关 键 词:托品酮  三仲丁基硼氢化锂  内型-N-Boc-N-去甲托品醇  立体选择性合成  
收稿时间:2015-06-25

Stereoselective Synthesis of Endo-N-Boc Nortropine
Institution:1. National Engineering Research Center for Manufacturing Technology of TCM Solid Preparation, Jiangxi University of Traditional Chinese Medicine, Nanchang 330006, China; 2. College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
Abstract:Demethylated tropinone(1) was synthesized by reaction of tropinone with 1-chloroethyl chloroformate. N-Boc nortropinone(2) was prepared by reaction of  1 with Boc anhydride. 2 was reduced by lithium tri-sec-butylborohydride to achieve endo-N-Boc nortropine stereoselectively(endo/exo=6.5/1) with an overall yield of 60%. The structure was confirmed by 1H NMR and ESI-MS.
Keywords:tropinone  L-selectride  endo-N-Boc nortropine  stereoselective synthesis  
本文献已被 CNKI 万方数据 等数据库收录!
点击此处可从《合成化学》浏览原始摘要信息
点击此处可从《合成化学》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号