Two-Step Synthesis of 3-Aryl-1,3-Dihydro-2H-imidazo[4,5-b]pyridin-2-ones

Two-Step Synthesis of 3-Aryl-1,3-Dihydro-2H-imidazo[4,5-b]pyridin-2-ones
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3-芳基-1,3-二氢-2H-咪唑并[4,5-b]吡啶-2-酮的两步合成

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发表时间:
2006
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通讯作者:
J. Scott
J. Scott
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文献类型:
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作者:
J. Scott

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(2-氯吡啶-3-基)氨基甲酸叔丁酯与取代的伯苯胺的一锅串联钯催化的胺化和分子内酰胺化允许由市售材料在两个步骤中制备3-芳基化的1,3-二氢-2H-咪唑并[4,5-B]吡啶-2-酮(49-90%产率)。
One-pot tandem palladium-catalysed amination and intramolecular amidation of tert-butyl (2-chloropyridin-3-yl)carbamate with substituted primary anilines allows for the preparation of 3-arylated 1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-ones (49-90% yield) in two steps from commercially available materials.