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The progress of microwave-promoted Suzuki reactions has been monitored using an in situ Raman spectroscopy apparatus assembled from commercially available components. It was possible to see if any reaction occurred and, if so, when it reached completion. In addition, the monitoring technique has given us an insight into the reaction, confirming that, when run in aqueous media, the coupling is in competition with the rapid deboronation of the boronic acid.
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Leadbeater et al. (2006) studied this question.
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