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4-溴-2-氟联苯合成工艺研究
The Research on the Synthetic Craft of 4-Bromo-2-Fluoro-Biphenyl
【摘要】 采用邻氟苯胺为原料,经溴化、重氮化、取代反应制备非甾体解热镇痛药中间体4-溴-2-氟联苯,考察了各步反应中诸因素对合成收率的影响,结合条件试验研究了合成方法和工艺条件,收率可达80%,含量≥97.5%.
【Abstract】 Non-steroidal anti-fever drug indermediate 4-bromo-2-fluorobiphenyl was synthesiged from 2-fluoroaniline via NBS-bromination,diagonigation and ring-substitation.The reaction condition for every step were discussed,the accepting rate can be up to 80%,content≥97.5%.
【关键词】 4-溴-2-氟联苯;
邻氟苯胺;
溴化;
重氮化;
取代反应;
【Key words】 2-fluoroaniline; 4-bromo-2-fluorobiphenyl; NBSbromination; diagonigation; ring-substitation;
【Key words】 2-fluoroaniline; 4-bromo-2-fluorobiphenyl; NBSbromination; diagonigation; ring-substitation;
【基金】 国家科技部创新基金资助项目(00C2613600274)
- 【文献出处】 江西师范大学学报(自然科学版) ,Journal of Jiangxi Normal University(Natural Sciences Edition) , 编辑部邮箱 ,2007年02期
- 【分类号】TQ242
- 【被引频次】4
- 【下载频次】392