Metalated Mesoporous Poly(triphenylphosphine) with Azo Functionality: Efficient Catalysts for CO2 Conversion
Citations Over TimeTop 10% of 2016 papers
Abstract
Mesoporous poly(triphenylphosphine) with azo functionality (poly(PPh3)-azo) is reported, which was synthesized via oxidative polymerization of P(m-NH2Ph)3 at ambient conditions. This kind of polymer could strongly coordinate with metal ions (e.g., Ru3+) and could reduce Ag+ in situ to metallic form. The resultant metalated poly(PPh3)-azo (e.g., poly(PPh3)-azo-Ag or -Ru) were discovered to be highly efficient catalysts for CO2 transformation. Poly(PPh3)-azo-Ag showed more than 400 times higher site-time-yield (STY) for the carboxylative cyclization of propargylic alcohols with CO2 at room temperature compared with the best heterogeneous catalyst reported. Poly(PPh3)-azo-Ru also exhibited good activity for the methylation of amines with CO2. It was demonstrated that the high performances of the catalysts originated from the cooperative effects between the polymer and the metal species. In addition, both catalysts showed good stability and easy recyclability, thus demonstrating promising potential for practical utilization for the conversion of CO2 into value-added chemicals.
Related Papers
- → Triphenylphosphine chalcogenides as efficient ligands for room temperature palladium(II)-catalyzed Suzuki–Miyaura reaction(2010)62 cited
- → Bis(triphenylphosphine)copper (I) tetrahydroborate in the reduction of -toluenesulphonylhydrazones and 2,4,6-triisopropylbenzenesulphonyl hydrazones (trisyl hdyrazones) to alkanes(1980)35 cited
- → A Practical One-Pot Transformation of Triphenylphosphine Oxide to Triphenylphosphine by Reduction of in situ Generated Triphenylphosphine Dichloride(2010)9 cited
- → Bis(styrene)bis(triphenylphosphine)ruthenium(0) and its reactions with triphenylphosphine and with alkenes(1978)17 cited
- → A Convenient Synthesis of Triphenylphosphine Acylimides UsingN-Lithiated Triphenylphosphine Imide(1991)23 cited