The existence of a specific microwave effect has long been a controversial topic in microwave-assisted organic synthesis. Presented herein is a reaction system specifically designed to demonstrate, and thus support, the existence of a specific microwave effect. It is shown that efficiently microwave-absorbing benzyloxypyridinium tetrakis[(3,5-bistrifluoromethyl)phenyl]borate in largely nonpolar (microwave transparent) solvents reacts to a greater extent under microwave-assisted reflux than oil-bath-assisted reflux. Effects of various reflux promoters were probed, and temperature was monitored by an internal fiber optic probe.

Reflux-controlled studies for the elucidation of a specific microwave effect

245th National Meeting (2013)

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