2843-27-8Relevant articles and documents
Metal-free N-formylation of 2-aminophenols using dimethylformamide and CSA
Yang, Yuanyong,Li, Yingxian,Zhang, Zhenhua,Zhao, Yonglong,Feng, Wei
, p. 1040 - 1046 (2019)
DMF has been proved to be an efficient formylation reagent for 2-aminophenols in the presence of (±) camphorsulfonic acid (CSA) in this work. CSA works as an acid catalyst and a neutralizer of dimethyl amine which is kicked off from DMF. Both electron-wit
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
Jadidi Nejad, Masoumeh,Heydari, Akbar
, (2021/07/17)
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 H2 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 H2 gases.
N-Formylation of amines using arylhydrazones of malononitrile and a Cu(II) complex under eco-friendly conditions at room temperature
Nasrollahzadeh, Mahmoud,Bidgoli, Nayyereh Sadat Soheili,Rocha, Bruno G.M.,Pombeiro, Armando J.L.,Mahmudov, Kamran T.
, (2020/08/14)
In this work, we report the synthesis of formamides via solvent free N-formylation of amines using known arylhydrazones of malononitrile including sodium 2-(2-(dicyanomethylene)hydrazinyl)benzenesulfonate (I), 2-(2-(dicyanomethylene)hydrazinyl) benzoic acid (II) and its Cu(II) complex (III) as catalysts at room temperature. These catalysts are highly active and the scope of the method was investigated using several heterocyclic, aromatic and aliphatic amines as substrates, which produced the corresponding formamides in high yields. The remarkable advantages of this method are the elimination of toxic solvents, operational simplicity, easy workup procedure, excellent yields and avoidance of column chromatography.