A simple, mild, and efficient one-pot, three-component synthetic method has been developed for the preparation of α-aminophosphonates using phenylboronic acid as catalyst under solvent-free conditions at 50°C. The process involves the reaction of carbonyl compounds (aldehydes or ketones) with benzylamine and dimethyl phosphite. A wide range of carbonyl compounds are compatible with this reaction, producing tertiary and quaternary α-aminophosphonates in moderated to excellent yields in short time. © Georg Thieme Verlag Stuttgart · New York.

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