Abstract
Abstract A convenient one-pot, two-step procedure for the synthesis of ketone cyanohydrin esters in aqueous media is reported using N -acylbenzotriazoles as the acylating agents. In saturated aqueous sodium bicarbonate containing a catalytic amount of tetrabutylammonium bromide, the reaction of ketones with potassium cyanide and N -acylbenzotriazoles proceeded readily at room temperature to provide the corresponding O -acyl cyanohydrin derivatives in good to excellent yields.
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