Sustainable heterogeneous platinum catalyst for direct methylation of secondary amines by carbon dioxide and hydrogen

Chemistry. 2014 May 19;20(21):6264-7. doi: 10.1002/chem.201400332. Epub 2014 Apr 23.

Abstract

Pt and MoO(x) co-loaded TiO2 is found to be highly effective for direct methylation of aliphatic and aromatic secondary amines by CO2 and H2 under solvent-free conditions. This is the first additive-free and reusable heterogeneous catalytic system with acceptable turnover number.

Keywords: carbon dioxide; heterogeneous catalysis; hydrogenation; methylation; platinum.