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首页> 外文期刊>RSC Advances >Design of hybrid heterocyclic systems with a furoxanylpyridine core via tandem hetero-Diels-Alder/retro-Diels-Alder reactions of (1,2,4-triazin-3-yl)furoxans
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Design of hybrid heterocyclic systems with a furoxanylpyridine core via tandem hetero-Diels-Alder/retro-Diels-Alder reactions of (1,2,4-triazin-3-yl)furoxans

机译：通过串联杂蛋白核心芳嗪吡啶核心的杂种杂交体系的设计（1,2,4-三嗪-3-基）呋喃唑的芳克己基吡啶核 - α-桤木 - 桤木 - Alder反应

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摘要

Two convenient, facile, regioselective and highly effective one-pot protocols for the synthesis of previously unknown hybrid heterocyclic systems with the furoxanylpyridine core based on the tandem inverse-electron-demand hetero-Diels-Alder/retro-Diels-Alder reactions of the tailor-made (1,2,4-triazin-3-yl)furoxans with 1-(pyrrolidino)cyclohexene and norbornadiene have been developed. The methods comprise [4 + 2] cycloaddition of enamine or norbornadiene to the 1,2,4-triazine ring of (1,2,4-triazin-3-yl)furoxans followed by one-pot transformation of the formed intermediates and this affords an extensive series of polyheterocyclic ensembles combining furoxan and pyridine (tetrahydroisoquinoline, indenopyridine, terpyridine) rings in one molecule through a C-C bond in good to excellent yields.
机译：两种方便，容易，区域选择性和高效的一罐协议，用于合成先前未知的杂种杂交体系与呋喃西甲基吡啶核心的基于串联逆 - 电子需求杂核 - 桤木 - 桤木/ ryro-diels-alder反应的剪裁 - 已经开发了具有1-（Pyrrolidino）环己烯和降冰片二烯的呋氮。 该方法包含[4 + 2]烯胺或降冰环的烯胺或降冰环（1,2,4-三嗪-3-基）呋喃丹呋喃，然后是形成的中间体的单罐转化 通过CC键合在一个分子中，将Furoxan和吡啶（四氢异喹啉，茚吡啶，茚吡啶，丁吡啶，丁吡啶）环中的各种多六碳糖合作源于优异的产率。

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  • 来源
    《RSC Advances》 |2016年第37期|共14页
  • 作者

    Fershtat Leonid L.; Larin Alexander A.; Epishina Margarita A.; Ovchinnikov Igor V.; Kulikov Alexander S.; Ananyev Ivan V.; Makhova Nina N.;

  • 作者单位

    Russian Acad Sci ND Zelinsky Inst Organ Chem 47 Leninsky Prosp Moscow 119991 Russia;

    Russian Acad Sci ND Zelinsky Inst Organ Chem 47 Leninsky Prosp Moscow 119991 Russia;

    Russian Acad Sci ND Zelinsky Inst Organ Chem 47 Leninsky Prosp Moscow 119991 Russia;

    Russian Acad Sci ND Zelinsky Inst Organ Chem 47 Leninsky Prosp Moscow 119991 Russia;

    Russian Acad Sci ND Zelinsky Inst Organ Chem 47 Leninsky Prosp Moscow 119991 Russia;

    Russian Acad Sci AN Nesmeyanov Organoelement Cpds Inst 28 Vavilova Str Moscow 119991 Russia;

    Russian Acad Sci ND Zelinsky Inst Organ Chem 47 Leninsky Prosp Moscow 119991 Russia;

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