Regiospecific synthesis of 3-substituted imidazo[1,2-a]pyridines, imidazo[1,2-a]pyrimidines, and imidazo[1,2-c]pyrimidine

Regiospecific synthesis of 3-substituted imidazo[1,2-a]pyridines, imidazo[1,2-a]pyrimidines, and imidazo[1,2-c]pyrimidine
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DOI:
10.1021/jo026797p
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发表时间:
2003-06-13
影响因子:
3.6
通讯作者:
Tu, HB
Tu, HB
中科院分区:
化学2区
文献类型:
--
作者:
Katritzky, AR;Xu, YJ;Tu, HB

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以3-取代咪唑并[1,2-a]吡啶、咪唑并[1,2-a]嘧啶和咪唑并[1,2-c]嘧啶为原料,通过2-氨基吡啶或2-(或4-)氨基嘧啶与1,2-bis(benzotriazolyl)-1,2-(dialkylamino)-ethanes.反应,一锅合成了3-取代咪唑并[1,2-a]吡啶、咪唑并[1,2-a]嘧啶和咪唑并[1,2-c]嘧啶,产率分别为35~92%
3-Substituted imidazo[1,2-a]pyridines, imidazo[1,2-a]pyrimidines, and imidazo[1,2-c]pyrimidine were obtained regiospecifically in yields of 35-92% in one pot by reaction of 2-aminopyridines or 2-(or 4-)aminopyrimidines, respectively, with 1,2-bis(benzotriazolyl)-1,2-(dialkylamino)-ethanes.