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咪康唑和益康唑的PEG-400连续催化N-和O-烷基化反应制备
Preparation of Miconazole and Econazole by PEG-400 Catalyzed Reactions of Tandem N- and O-Alkylation
【摘要】 用氢氧化钠作碱,PEG-400为相转移催化剂,在THF中不经分离连续完成1-(2,4-二氯苯基)-2-氯乙醇的N-和O-烷基化反应,制得抗真菌剂硝酸咪康唑和硝酸益康唑,收率分别为63%和68%。
【Abstract】 In presence of NaOH, using PEG-400 as phase transfer catalyst, tandem reactions of N- and O-alkylationof 1-(2,4-dichlorophenyl)-2-chloroethanol were performed in THF to afford miconazole and econazole with yields of 63%and 68%, respectively.
【关键词】 咪康唑;
益康唑;
抗真菌剂;
相转移催化;
烷基化;
制备;
【Key words】 miconazole; econazole; antifungal agent; phase transfer catalyst; alkylation; preparation;
【Key words】 miconazole; econazole; antifungal agent; phase transfer catalyst; alkylation; preparation;
- 【文献出处】 中国医药工业杂志 ,Chinese Journal of Pharmaceuticals , 编辑部邮箱 ,2005年08期
- 【分类号】TQ463
- 【被引频次】7
- 【下载频次】301