Abstract
AbstractReactions of aminonitriles 1a–e with disubstituted acetylenes 2, 3, carried out in DMSO in the presence of powdered sodium hydroxide and benzyltriethylammonium chloride (TEBAC) as a catalyst, afford either 4 and 5 or a mixture of 4 and 6; unmasking of the carbonyl group in 5a and 6a gives ketones 7 and 8, respectively.
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