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- W2022138887 endingPage "1002" @default.
- W2022138887 startingPage "994" @default.
- W2022138887 abstract "A chiral ferrocenyldiphosphine ligand that is functionalized with an aza crown ether, (S)-1-[(R)-1‘,2-bis(diphenylphosphino)ferrocenyl]ethyl-1-aza-2,3-benzo-15-crown-5 (1), has been synthesized. Both the resolved and racemic ligands react rapidly with Pt(II) precursors to form stable metal−ligand adducts; the complexes PtMeI(rac-1) and PtMe2(rac-1) have been characterized crystallographically. Reaction of rac-1 with [Rh(NBD)2]OTf yields [Rh(NBD)(rac-1)]OTf. The three-dimensional solution structure of [Rh(NBD)(rac-1)]OTf has been determined by NOESY experiments and analysis using the two-dimensional conformer population analysis algorithm (2DCPA). The NOESY data reveal a rapid, pairwise chemical exchange between vinyl protons. The complex [Rh(NBD)(rac-1)]OTf is a catalyst precursor for hydrogenation reactions. However, we demonstrate that the lability of the aza crown ether may limit the ability of these catalysts to control selectivity via secondary interactions." @default.
- W2022138887 created "2016-06-24" @default.
- W2022138887 creator A5042336119 @default.
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- W2022138887 date "2000-02-19" @default.
- W2022138887 modified "2023-10-03" @default.
- W2022138887 title "Synthesis and Characterization of a Chiral, Aza-15-Crown-5-Functionalized Ferrocenyldiphosphine Ligand for Asymmetric Catalysis" @default.
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- W2022138887 doi "https://doi.org/10.1021/om990391u" @default.
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