Online Monitoring of Microwave-Enhanced Reactions by UV/Vis Spectroscopy

Online Monitoring of Microwave-Enhanced Reactions by UV/Vis Spectroscopy

European Journal of Organic Chemistry 2010, 2010, 3569-3573
Eberhard Heller, Jessica Klöckner, Werner Lautenschläger and Ulrike Holzgrabe

Abstract: Microwave-enhanced reactions are very fast in comparison to thermal reactions. They are often finished within a few minutes. Thus, the determination of the end point often fails, because conventional analytical methods are too slow. We developed a fast method using a UV/Vis sensor, which allows a direct online monitoring of the reaction process. The potency of the method is demonstrated by means of five representative reactions.

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