Qin, Shuanglin; Liu, Tongtong; Luo, Yunhao; Jiang, Shende; Yang, Guang published the article 《Diastereoselective Rh-catalyzed decarboxylative allylation to form quaternary stereocenters using sulfinimine as the directing group》. Keywords: chiral sulfinimine decarboxylative allylation diastereoselective rhodium catalyst.They researched the compound: Tris(triphenylphosphine)chlororhodium( cas:14694-95-2 ).Quality Control of Tris(triphenylphosphine)chlororhodium. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:14694-95-2) here.
In this paper, for the first time that the diastereoselective Rh-catalyzed decarboxylative allylation of chiral sulfinimines used to form quaternary stereocenters. The key factor in giving rise to the successful development of this method was the application of the com. available and achiral Wilkinson’s Rh catalyst. Explained by a plausible mechanism, the sulfinimine group might be a potent directing group chelated with Rh to construct intramol. steric hindrance. In addition, broad functional group tolerance was observed, and subsequently revealed the various transformations verifying the utility of this method for rapidly accessing complex enantio-enriched polycyclic compounds
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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