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Copper-catalyzed tandem reaction directed toward synthesis of 2,2-disubstituted quinazolinones from vinyl halides and 2-aminobenzamides
Tetrahedron Letters ( IF 1.5 ) Pub Date : 2017-09-15 , DOI: 10.1016/j.tetlet.2017.09.001
Kotaro Yamaguchi , Shin-ichi Kawaguchi , Motohiro Sonoda , Shinji Tanimori , Akiya Ogawa

A copper-catalyzed tandem reaction with vinyl halides and 2-aminobenzamides has been developed. In this synthetic route, cross-coupling reaction of the amide moiety with vinyl halides initially progresses, followed by hydroamination, to provide 2,2-disubstituted quinazolinone derivatives. Moreover, the tandem reaction is used in a one-pot synthesis beginning with alkyne hydroiodination by PPh3, I2, and H2O.



中文翻译:

铜催化串联反应,旨在从卤乙烯和2-氨基苯甲酰胺合成2,2-二取代的喹唑啉酮

已经开发了一种与卤乙烯和2-氨基苯甲酰胺进行铜催化的串联反应。在该合成途径中,酰胺部分与乙烯基卤化物的交叉偶联反应首先进行,然后进行加氢胺化,以提供2,2-二取代的喹唑啉酮衍生物。此外,串联反应用于从PPh 3,I 2和H 2 O进行炔烃加氢碘化开始的一锅合成中。

更新日期:2017-09-15
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