NNN pincer incorporated porous organic polymers(POPs)were prepared using a facile knitting method of pyridine based ligands via the Friedel–Crafts reaction.Ru-based molecular catalysts supported on the prepared POPs ...NNN pincer incorporated porous organic polymers(POPs)were prepared using a facile knitting method of pyridine based ligands via the Friedel–Crafts reaction.Ru-based molecular catalysts supported on the prepared POPs were implemented for catalytic CO_(2)hydrogenation into formate and methyl formate.In particular,a heterogeneous Ru/N-Me-3-bpp-POP catalyst exhibited the maximum catalytic conversion of CO_(2)into formate,with a turnover number(TON)of 1877,and into methyl formate with a TON of 2197.In addition,the stability of the Ru/N-Me-3-bpp-POP catalyst was demonstrated over five successive runs with a slight decrease in the catalytic efficiency,which may originate from Ru leaching.展开更多
基金financially supported by“Carbon to X Project”(2020M3H7A1098259&2020M3H7A1098271)through National Research Foundation(NRF)funded by the Ministry of Science&ICT and the Korea Institute of Science and Technology(KIST)supported by the Chung-Ang University Research Scholarship Grants in 2020.
文摘NNN pincer incorporated porous organic polymers(POPs)were prepared using a facile knitting method of pyridine based ligands via the Friedel–Crafts reaction.Ru-based molecular catalysts supported on the prepared POPs were implemented for catalytic CO_(2)hydrogenation into formate and methyl formate.In particular,a heterogeneous Ru/N-Me-3-bpp-POP catalyst exhibited the maximum catalytic conversion of CO_(2)into formate,with a turnover number(TON)of 1877,and into methyl formate with a TON of 2197.In addition,the stability of the Ru/N-Me-3-bpp-POP catalyst was demonstrated over five successive runs with a slight decrease in the catalytic efficiency,which may originate from Ru leaching.