Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 14694-95-2, is researched, SMILESS is [Rh]Cl.P(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.P(C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6.P(C7=CC=CC=C7)(C8=CC=CC=C8)C9=CC=CC=C9, Molecular C54H45ClP3RhJournal, Colloid and Polymer Science called Homogeneous rhodium ion catalyst encapsulated by benzoyl-terminated dendrimer: high hydrogenation and separation capabilities for diene copolymers, Author is Zhou, Wei; Qu, Wenwen; Peng, Xiaohong, the main research direction is rhodium catalyst encapsulated benzoyl terminated dendrimer hydrogenation nitrile rubber; SBR nitrile rubber hydrogenation catalyst dendrimer.Electric Literature of C54H45ClP3Rh.
Benzoyl chloride was employed to react with primary amino groups on the surface of the second generation of poly(propylene imine) (G2-PPI) dendrimer to synthesize benzoyl-terminated dendrimer (G2-B) by a nucleophilic substitution reaction. A novel homogeneous catalyst of G2-B(Rh3+) was prepared by complexing RhCl3·3H2O with G2-B, and further applied to the catalytic hydrogenation of nitrile rubber (NBR) and styrene-butadiene rubber (SBR). The hydrogenation degrees (HDs) of HNBR and HSBR catalyzed by G2-B(Rh3+) are 99.2 and 92.1% resp. The contents of Rh residue in the HNBR and HSBR catalyzed by G2-B(Rh3+) are only 41 and 31 ppm, resp., which are resp. decreased by 84.5 wt% and 83.2 wt%, resp., compared to those catalyzed by 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