title: An efficient reusable silver-exchanged tungstophosphoric acid heterogeneous catalyst for solvent-free intermolecular hydroamination of alkynes.
abstract: 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.
authors.affiliation: Catalysis Laboratory, I&PC Division, Indian Institute of Chemical Technology, Hyderabad, 500 007, India. nakkalingaiah@iict.res.in
authors.forename: N
authors.initials: N
authors.lastname: Lingaiah
authors.forename: N Seshu
authors.initials: NS
authors.lastname: Babu
authors.forename: K Mohan
authors.initials: KM
authors.lastname: Reddy
authors.forename: P S Sai
authors.initials: PS
authors.lastname: Prasad
authors.forename: I
authors.initials: I
authors.lastname: Suryanarayana