Lingaiah N, Babu N Seshu, Reddy K Mohan, Prasad P S Sai, Suryanarayana I
Catalysis Laboratory, I&PC Division, Indian Institute of Chemical Technology, Hyderabad, 500 007, India.
Chem Commun (Camb). 2007 Jan 21(3):278-9. doi: 10.1039/b613013e. Epub 2006 Oct 26.
Hydroamination of alkynes with both aromatic and aliphatic amines proceeds efficiently in the presence of silver-exchanged tungstophosphoric acid (AgTPA) catalyst under solvent-free conditions to afford ketimines in excellent yields.
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