Cooperative Application of Conventional and Microwave Heating

Cooperative Application of Conventional and Microwave Heating
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常规与微波加热的配合应用

DOI:
10.1002/ajoc.202000157
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发表时间:
2020
影响因子:
2.7
通讯作者:
Dudley, Gregory B.
Dudley, Gregory B.
中科院分区:
化学3区
文献类型:
--
作者:
Fulo, Harvey F.;Vincent, Morgan A.;Stiegman, Albert E.;Dudley, Gregory B.

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微波加热与常规加热的协调、合作使用可以在化学合成中提供优势。在此,包含离子的、高度微波吸收的有机试剂和几乎微波透明的芳烃溶剂的非均相混合物被常规地和/或用微波加热,当两种加热方法相较于任一种方法独立地协同应用时,导致更快的并且在某些情况下更高产率的反应。在更极性的芳烃溶剂中的对照实验显示,协同加热没有优势,与选择性微波加热现象一致。通过调节内部反应温度并协调常规和微波加热的应用的反应器技术促进了实验。在这个初步探索系统的积极成果表明,合作加热可以提供其他系统的选择性微波加热的好处。
The coordinated, cooperative use of microwave heating with conventional heating can provide advantages in chemical synthesis. Here, heterogeneous mixtures comprising ionic, highly microwave‐absorbing organic reagents and nearly microwave‐transparent arene solvents are heated conventionally and/or with microwaves, resulting in faster and, in some cases, higher yielding reactions when the two heating methods are applied cooperatively as compared to either method independently. Control experiments in more polar arene solvents show no advantage of cooperative heating, consistent with selective microwave heating phenomena. The experiments are facilitated by reactor technology that regulates internal reaction temperature and coordinates the application of conventional and microwave heating. The positive outcomes in this initial exploratory system suggest that cooperative heating can offer benefits in other systems designed for selective microwave heating.
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