Novel marine‐based gold nanocatalyst in solvent‐free synthesis of polyhydroquinoline derivatives: Green and sustainable protocol,Applied Organometallic Chemistry

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Novel marine‐based gold nanocatalyst in solvent‐free synthesis of polyhydroquinoline derivatives: Green and sustainable protocol
Applied Organometallic Chemistry ( IF 3.7 ) Pub Date : 2020-09-13 , DOI: 10.1002/aoc.6000
Mahsa Sepahvand ₁ , Foad Buazar ₁ , Mohammad Hosein Sayahi ₂

Affiliation

We report an ecofriendly synthetic approach for the fabrication of biogenic gold nanoparticles (AuNPs) using electron‐rich sea cucumber extract as a bio‐reductant and stabilizing agent in reducing gold cations into AuNPs at the optimal conditions. The produced AuNPs are spherical in shape with an average particle size of 11 ± 1.5 nm in transmission electron microscopy (TEM) and exhibited a crystal structure of face‐centered cubic in X‐ray diffraction (XRD) analyses. Our results indicated that bioinspired AuNPs demonstrate superior catalytic activity in the safe and facile one‐pot synthesis of polyhydroquinoline derivatives under solvent‐free reaction conditions. This green route encompasses multiple benefits including highly recyclable bioinspired catalyst (5 cycles), short reaction times, convenient workout, high to excellent product yields (82%–97%), and nonhazardous conditions.

中文翻译：

无溶剂合成聚氢喹啉衍生物的新型海洋金纳米催化剂：绿色和可持续发展的协议

我们报告了一种环保的合成方法，该方法利用富电子海参提取物作为生物还原剂和稳定剂，在最佳条件下将金阳离子还原为AuNPs，从而制备生物金纳米颗粒（AuNPs）。所产生的AuNP呈球形，在透射电子显微镜（TEM）中的平均粒径为11±1.5 nm，并且在X射线衍射（XRD）分析中显示出面心立方的晶体结构。我们的结果表明，在无溶剂的反应条件下，以生物为灵感的AuNPs在安全，便捷的一锅法合成多氢喹啉衍生物中显示出优异的催化活性。这条绿色路线包含多项优势，包括可高度循环利用的生物启发催化剂（5个循环），较短的反应时间，方便的锻炼，

更新日期：2020-11-06

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