A Novel Synthesis of Gold Nanoparticles Supported on Hybrid Polymer/Metal Oxide as Catalysts for p-Chloronitrobenzene Hydrogenation

Table 3

Catalytic properties for the hydrogenation of CNB isomers over Au/P[BVTACl]-M catalysts. Reaction conditions: solvent, 25 mL absolute ethanol; temperature, 298 K; stirring rate, 800 rpm; CNB isomers, 0.02 mol L⁻¹; H₂ pressure, 20 bar.

Catalyst	(±0.2%)	(±1%)	TOF; (min^−1)
Au/P[VBTACl]-Al	83.9	100	252
Au/P[VBTACl]-Ti	42.0		49
Au/P[VBTACl]-Zr	67.4	100	99

level at 360 minutes. mean values. -(p-chlorophenyl)hydroxylamine-intermediary was the only byproduct detected.