The complex [Rh(CO)(Pz)(TPPMS)]2, (TPPMS = m-sulfonatophenyl-diphenylphosphine, Pz = Pirazolate) was evaluated as a catalyst precursor in the hydroformylation of allylbenzenes (eugenol and estragol) and terp...The complex [Rh(CO)(Pz)(TPPMS)]2, (TPPMS = m-sulfonatophenyl-diphenylphosphine, Pz = Pirazolate) was evaluated as a catalyst precursor in the hydroformylation of allylbenzenes (eugenol and estragol) and terpenes (limonene and myrcene) and in the hydrogenation of α,β-unsaturated aldehydes (crotonaldehyde, cinnamaldehyde and citral) in a biphasic medium toluene/ionic liquid. Under the reaction conditions studied (P = 600 psi, T= 95 ℃, S/C = 300:1), the rhodium system showed a high activity and selectivity towards the desired aldehydes. The catalytic phase could be recycled up to five times without any evident loss of activity or selectivity.展开更多
文摘The complex [Rh(CO)(Pz)(TPPMS)]2, (TPPMS = m-sulfonatophenyl-diphenylphosphine, Pz = Pirazolate) was evaluated as a catalyst precursor in the hydroformylation of allylbenzenes (eugenol and estragol) and terpenes (limonene and myrcene) and in the hydrogenation of α,β-unsaturated aldehydes (crotonaldehyde, cinnamaldehyde and citral) in a biphasic medium toluene/ionic liquid. Under the reaction conditions studied (P = 600 psi, T= 95 ℃, S/C = 300:1), the rhodium system showed a high activity and selectivity towards the desired aldehydes. The catalytic phase could be recycled up to five times without any evident loss of activity or selectivity.