Our research group has previously reported the preparation of different silica supported gold nanoparticles (AuNPs) catalytically active in the reduction of nitrophenol to aminophenol. [1, 2] Recently, the focus of our research has shifted towards continuous flow nanocatalysis and for applications in packed bed reactors we have anchored AuNPs on commercial micrometer oxide supports (SiO2, Al2O3, TiO2), previously modified by grafting of the organosilane [3-(2-propynylcarbamate)propyl]triethoxysilane (PPTEOS). After thorough characterization, the catalytic activity of these systems has been evaluated in the oxidation of a large variety of primary and secondary alcohols, both under batch and continuous flow conditions. [3] We now present the results in the field of the hydroamination of alkynes catalysed by Au/SiO2@Yne and the new, magnetically recoverable Au/Fe3O4@Yne catalyst. [1] S. Fazzini , D. Nanni , B. Ballarin , M. C. Cassani , M. Giorgetti , C. Maccato, A. Trapananti, G. Aquilanti, and S. I. Ahmed, J. Phys. Chem. C. 116 (2012) 25434−25443; M. Giorgetti, G. Aquilanti, B. Ballarin, M. Berrettoni, M. C. Cassani, S. Fazzini, D. Nanni, and D. Tonelli, Anal. Chem. 88 (2016) 6873-6880; [2] S. Fazzini, M. C. Cassani, B. Ballarin, E. Boanini, J. S. Girardon, A.S. Mamede, A. Mignani, and D. Nanni, J. Phys. Chem. C. 118 (2014) 24538-24547; M. C. Cassani, B. Ballarin, D. Barreca, E. Boanini, E. Bonansegna, G. Carraro, S. Fazzini, A. Mignani, D. Nanni, and D. Pinelli, RSC Adv. 6 (2016) 25780-25788. [3] B. Ballarin, D. Barreca, E. Boanini, M. C. Cassani, P. Dambruoso, A. Massi, A. Mignani, D. Nanni, C. Parise, and A. Zaghi, ACS Sus. Chem. Eng. 5 (2017) 4746-4756.
Parise, C., Cassani, M.C., Ballarin, B., Nanni, D. (2017). Synthesis, characterization and study of the catalytic activity of supported gold nanoparticles for alkynes hydroamination. Roma.
Synthesis, characterization and study of the catalytic activity of supported gold nanoparticles for alkynes hydroamination
Chiara Parise;Maria Cristina Cassani;Barbara Ballarin;Daniele Nanni
2017
Abstract
Our research group has previously reported the preparation of different silica supported gold nanoparticles (AuNPs) catalytically active in the reduction of nitrophenol to aminophenol. [1, 2] Recently, the focus of our research has shifted towards continuous flow nanocatalysis and for applications in packed bed reactors we have anchored AuNPs on commercial micrometer oxide supports (SiO2, Al2O3, TiO2), previously modified by grafting of the organosilane [3-(2-propynylcarbamate)propyl]triethoxysilane (PPTEOS). After thorough characterization, the catalytic activity of these systems has been evaluated in the oxidation of a large variety of primary and secondary alcohols, both under batch and continuous flow conditions. [3] We now present the results in the field of the hydroamination of alkynes catalysed by Au/SiO2@Yne and the new, magnetically recoverable Au/Fe3O4@Yne catalyst. [1] S. Fazzini , D. Nanni , B. Ballarin , M. C. Cassani , M. Giorgetti , C. Maccato, A. Trapananti, G. Aquilanti, and S. I. Ahmed, J. Phys. Chem. C. 116 (2012) 25434−25443; M. Giorgetti, G. Aquilanti, B. Ballarin, M. Berrettoni, M. C. Cassani, S. Fazzini, D. Nanni, and D. Tonelli, Anal. Chem. 88 (2016) 6873-6880; [2] S. Fazzini, M. C. Cassani, B. Ballarin, E. Boanini, J. S. Girardon, A.S. Mamede, A. Mignani, and D. Nanni, J. Phys. Chem. C. 118 (2014) 24538-24547; M. C. Cassani, B. Ballarin, D. Barreca, E. Boanini, E. Bonansegna, G. Carraro, S. Fazzini, A. Mignani, D. Nanni, and D. Pinelli, RSC Adv. 6 (2016) 25780-25788. [3] B. Ballarin, D. Barreca, E. Boanini, M. C. Cassani, P. Dambruoso, A. Massi, A. Mignani, D. Nanni, C. Parise, and A. Zaghi, ACS Sus. Chem. Eng. 5 (2017) 4746-4756.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
