Palladium supported on MRGO@CoAl‐LDH catalyzed reductive carbonylation of nitroarenes and carbonylative Suzuki coupling reactions using formic acid as liquid CO and H₂ source

Abstract

In the present study, a heterogeneous palladium catalyst system, Pd nanoparticles supported on MRGO@CoAl-LDH, was synthesized and employed in reductive carbonylation of nitroarenes and carbonylative Suzuki coupling reactions using formic acid as CO and H 2 source. The as-obtained heterogeneous catalyst was characterized by Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray analysis (EDAX), thermal gravimetric analysis (TGA), and vibrating sample magnetometer (VSM). The nanocatalyst was reused for 5 cycles with a negligible reduction in the yield of products. All reactions were carried out with high yields and under suitable and safe conditions. Also, we have successfully applied formic acid as a good and safe alternative to CO and H 2 gases.

Direct additive-free N-formylation and N-acylation of anilines and synthesis of urea derivatives using green, efficient, and reusable deep eutectic solvent ([ChCl][ZnCl2]2)

“… Amine Carboxylic acid Product Time (min) Yield a (%) M.p. °C (Lit) 30 87 53 (48–51) 90 30 81 116 (114–116) 94 30 67 171 (169.2–170.8) 95 30 81 186 (182–187) 93 30 74 69 (65.2–67) 95 30 83 105 (103–105) 84 …”

Visible-light-induced photocatalytic reductive carbonylation of nitroarenes using formic acid as a hydrogen source over a water-dispersible CTF-based palladium catalyst

“…11,12 Thus far, several studies have been reported on the one-pot synthesis of N -formamides from nitroarenes using HCOOH or its derivatives. 5,13–16…”