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首页> 外文期刊>Synthetic Communications >Substituted Quinolinones,Part 11:Efficient Synthesis of Different 3-(4-Arylidene and Hetarylidene-5-oxopyrazolin-3-yl) quinolin-2-ones
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Substituted Quinolinones,Part 11:Efficient Synthesis of Different 3-(4-Arylidene and Hetarylidene-5-oxopyrazolin-3-yl) quinolin-2-ones

机译:取代的喹啉酮,第11部分:不同的3-(4-亚芳基和亚芳基5-氧杂唑啉-3-基)喹啉-2-酮的高效合成

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摘要

Several 3-(4-arylidene and hetarylidene-5-oxopyrazolin-3-yl)quinolin-2-ones 6-26 were synthesized in an efficient methodology utiUzing both pyrazoUnylquinolinone 2 and its chromenylmethylene derivative 10.Compound 2 was derivatized by Knoeve-nagel condensation with different carbonyl compounds.NucleophiUc ring opening-ring closure (RORC) of the compound 10 furnished the desired 4-methylenepyarzolinone bearing novel five-,six-,and seven-membered heterocycles,in good yields.
机译:以高效的方法合成了几个3-(4-亚芳基和亚芳基-5-氧并吡唑啉-3-基)喹啉-2-酮6-26,同时使用了吡唑并基喹啉酮2及其苯并亚甲基衍生物10.化合物2由Knoeve-nagel衍生化合物10的核开环闭环(RORC)以良好的收率提供了所需的带有新的五,六和七元杂环的4-亚甲基吡唑啉酮。

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