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首页> 外文期刊>Chemistry: A European journal >Polystyrene-Supported Palladium (Pd-PS)-Catalyzed Carbonylative Annulation of Aryl Iodides Using Oxalic Acid as a Sustainable CO Source for the Synthesis of 2-Aryl Quinazolinones
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Polystyrene-Supported Palladium (Pd-PS)-Catalyzed Carbonylative Annulation of Aryl Iodides Using Oxalic Acid as a Sustainable CO Source for the Synthesis of 2-Aryl Quinazolinones

机译：聚苯乙烯负载的钯（PD-PS） - 使用草酸作为合成2-芳基喹唑啉酮的可持续CO源的芳基碘化物的催化羰基化环

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摘要

An efficient and convenient strategy for the synthesis of diversely substituted quinazolinones from o-carbamoyl/ cyano aniline and aryl iodides using oxalic acid as a CO source under polystyrene supported palladium (Pd-PS) nanoparticles (NPs) catalyzed conditions has been developed. In this study, oxalic acid has been employed as safe, economic, environmentally benign, sustainable and bench-stable, solid CO surrogate under Double-Layer-Vial (DLV) system for the synthesis of 2-aryl quinazolinones. This methodology does not require any special high-pressure equipment like autoclaves, microwaves, etc. Moreover, a simple procedure for catalyst preparation, catalyst recyclability, easy handling of reaction, additive and basefree generation of CO, excellent to good yields and vast substrate scope are the additional features of developed protocol.
机译：已经开发了一种高效且方便的策略，用于在聚苯乙烯负载钯（Pd-PS）纳米粒子（PD-PS）纳米粒子（PD-PS）催化条件下使用草酸作为COS酸作为CO源的O-氨基甲酰基/氰基苯胺和芳基碘化物。 在本研究中，草酸已被用作安全，经济，环境良性，可持续和稳定的固体CO稳定，在双层小瓶（DLV）系统下替代，用于合成2-芳基喹唑啉酮。 该方法不需要任何特殊的高压设备，如高压釜，微波等。此外，催化剂制备的简单方法，催化剂可回收性，易于处理反应，添加剂和碱基生成的CO，优异的产量和巨大的基材范围优异 是开发协议的其他功能。

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  • 来源
    《Chemistry: A European journal》 |2019年第64期|共6页
  • 作者

    Shankar Ram; Shaifali; Arvind Singh Chauhan; Sheetal; Ajay Kumar Sharma; Pralay Das;

  • 作者单位

    Natural Product Chemistry &

    Process Development Division CSIR-Institute of Himalayan Bioresource Technology Palampur 176061 HP (India);

    Natural Product Chemistry &

    Process Development Division CSIR-Institute of Himalayan Bioresource Technology Palampur 176061 HP (India);

    Natural Product Chemistry &

    Process Development Division CSIR-Institute of Himalayan Bioresource Technology Palampur 176061 HP (India);

    Natural Product Chemistry &

    Process Development Division CSIR-Institute of Himalayan Bioresource Technology Palampur 176061 HP (India);

    Natural Product Chemistry &

    Process Development Division CSIR-Institute of Himalayan Bioresource Technology Palampur 176061 HP (India);

    Natural Product Chemistry &

    Process Development Division CSIR-Institute of Himalayan Bioresource Technology Palampur 176061 HP (India);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用化学;
  • 关键词

    aminobenzamides; aminobenzonitriles; quinazolinones; oxalic acid dihydrate; palladium nanoparticles;

    机译：氨基苯甲酰胺;氨基苯并腈;喹唑啉酮;草酸二水合物;钯纳米粒子;

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