Abstract
An efficient route to new α-CF3-α-aminophosphonic acid derivatives bearing an arylalkynyl moiety at the α-carbon atom has been developed. The method is based on palladium-catalyzed cross-coupling of the corresponding α-propargyl (ethynyl) α-aminophosphonates with aryl iodides to afford the aminophosphonic acid derivatives with an internal triple bond that is suitable for further modifications.
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