An efficient reusable silver-exchanged tungstophosphoric acid heterogeneous catalyst for solvent-free intermolecular hydroamination of alkynes
- 26 October 2006
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 3,p. 278-279
- https://doi.org/10.1039/b613013e
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.Keywords
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