So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Zhou, Wei; Peng, Xiaohong researched the compound: Tris(triphenylphosphine)chlororhodium( cas:14694-95-2 ).Product Details of 14694-95-2.They published the article 《Enhanced Separation Capability of Rhodium Ionic Catalyst Encapsulated by Propionation-Terminated Poly(propylene imine) Dendrimer》 about this compound( cas:14694-95-2 ) in Macromolecular Research. Keywords: rhodium ionic catalyst encapsulated propionation polypropylene imine dendrimer. We’ll tell you more about this compound (cas:14694-95-2).
The second generation of poly(propylene imine) dendrimer peripherally terminated by propionation (G2-P) was synthesized. The structure and composition of G2-P were characterized by Fourier transform IR (FTIR) spectrometer, 1H NMR spectroscopy (NMR), 13C NMR, matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS) and elemental anal. The encapsulated catalyst (G2-P(Rh3+)) was prepared by the coordination between G2-P and RhCl3·3H2O, and applied to the hydrogenation of nitrile-butadiene rubber (NBR) and styrene-butadiene rubber (SBR). G2-P(Rh3+) displayed excellent catalytic activity and selectivity for NBR and SBR hydrogenation, and Rh residue contents for hydrogenated NBR (HNBR) and hydrogenated SBR were only 80 ppm and 35 ppm resp. without any post treatment, which decreased 69.8% and 80.9% resp. compared with those of RhCl(PPh3)3.
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Reference:
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate