It was {found|discovered|identified|located} that the reaction of aliphatic carboxylic acids with secondary amines {under|below|beneath} the action of tantalum (V) chloride {leads to|results in} the selective formation of carboxamides. N,N-Diethyladamantane-1-carboxamide {were|had been|have been} synthesized {with a|having a|using a} yield of 73% {as well|also|too|at the same time}. Buy457613-78-4 1374829-47-6 Formula PMID:24282960
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