Noble metal nanoparticlesasetshenziswe ngempumelelo njengama-catalysts ku-hydrogenation yama-polymers anesisindo samangqamuzana aphezulu.Isibonelo, i-rhodium nanoparticle/nanopowders ibonise umsebenzi ophezulu kakhulu nokukhetha okuhle ku-hydrocarbon hydrogenation.

 

I-olefin double bond ivame ukuhambisana neqembu elikhulu elisebenzayo-iqembu le-hydrocarbon, okwenza kube nzima ukuvula isibopho esiphindwe kabili.Ngokungezwa kwe-20nm rhodium powder, kulula ukuvula isibopho esiphindwe kabili futhi wenze ukusabela kwe-hydrogenation kahle.

 

Ama-Olefin angenziwa nge-nano rhodium afaka i-1-hexene, i-cyclohexene, i-2-hexene, i-butenone, i-mesityl oxide, i-methyl acrylate, i-methyl methacrylate, ne-cyclooctene, phakathi kwabanye.Osayizi abahlukene bezinhlayiyana banomthelela emsebenzini we-catalytic.Ngokuvamile, usayizi wezinhlayiyana ezincane, izinga le-hydrogenation liyashesha.

 

I-Henan Normal University kanye ne-Institute of Chemistry, i-Chinese Academy of Sciences babambisane ukuthuthukisa indlela entsha ye-asymmetric catalytic synthesis yekilasi lezinhlanganisela ze-chiral acyclic nucleoside.Kusetshenziswa inkimbinkimbi eyakhiwe yi-nano rhodium (Rh) kanye ne-chiral bisphosphine ligand (R) -BINAP njenge-catalyst, uchungechunge lwamaketanga aseceleni lwalungiswa nge-asymmetric hydrogenation ye-α-purine-substituted acrylates ekamelweni lokushisa nokucindezela.Ama-nucleoside e-Acyclic aqukethe iqembu le-chiral endaweni engu-1′.Izinhlanganisela ze-Nucleoside zinezinhlobonhlobo zemisebenzi yezinto eziphilayo, ziyikilasi elibalulekile lezidakamizwa nezixhumi zezidakamizwa, zinesikhundla esibalulekile emithini elwa ne-tumor, anti-viral kanye ne-anti-AIDS, futhi okwamanje zibhekwa njengezidakamizwa ezinamandla kakhulu zokulwa negciwane. ..

 

I-Hongwu Nano inokunikezwa okuzinzile kwesikhathi esideI-Rhodium NanoparticleI-nano rhodium powder nezinye izinto ezisezingeni eliphakeme zensimbi (Ag, Pt, Ru, Ir, Pd, Au, njll.).

Siyakwamukela ukuxhumana nathi ukuze uthole ulwazi olwengeziwe.

 


Isikhathi sokuthumela: Sep-09-2022

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