Utilizing Solubility Differences to Achieve Regiocontrol in the Synthesis of Substituted Quinoline-4-carboxylic Acids

被引:4
|
作者
Lindsay-Scott, Peter J. [1 ]
Barlow, Helen [1 ]
机构
[1] Eli Lilly & Co Ltd, Windlesham GU20 6PH, Surrey, England
关键词
heterocycles; quinolones; isatins; regioisomers; cyclization; GENERAL-METHOD; ISATINS; QUINOLINE; SEPARATION; MECHANISM;
D O I
10.1055/s-0035-1561395
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A practical method for the regiocontrolled synthesis of substituted quinoline-4-carboxylic acids is described. Solubility differences between the product quinoline regioisomers enable their facile separation, thus avoiding any challenging chromatographic purifications and allowing access to highly substituted quinoline compounds in three steps from commercially available anilines.
引用
收藏
页码:1516 / 1520
页数:5
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