Low-temperature copper hydrosilicates: catalysts for reduction of aromatic nitro compounds with molecular hydrogen

Аннотация

The catalytic reduction of aromatic nitro compounds with hydrogen was carried out for the first time over low-temperature copper hydrosilicates synthesized at 92–110 °C as catalysts. Copper hydrosilicates demonstrated high catalytic activity and selectivity towards nitrobenzene hydrogenation to aniline and p-dinitrobenzene hydrogenation to p-nitroaniline and p-phenylenediamine under relatively mild conditions (150–170 °C, hydrogen pressure of 1.3 MPa).