AI Article Synopsis
- The study presents the first synthesis of metal complexes using chiral trinitrogen pincer ligands made from isoindoline.
- Two specific zinc complexes, Zn((R,R)-5)(2) and Zn((S,S)-6)(2), were created using enantiopure compounds under specific conditions involving condensation with phthalonitrile and zinc chloride.
- The characterization of these complexes was conducted using techniques such as X-ray crystallography for solid state and multinuclear NMR spectroscopy for solution state analysis.
Article Abstract
The first synthesis and characterization of metal coordinated complexes containing in situ prepared chiral trinitrogen 1,3-bis(4,5-dihydrooxazol-2-ylimino)isoindoline-based pincer ligands are reported. Two zinc complexes, isolated as Zn(L)(2), where L = 1,3-bis(4,5-dihydro-4-(R)-phenyloxazol-2-ylimino)isoindoline ((R,R)-5) or 1,3-bis(4,5-dihydro-4-(S)-iso-propyloxazol-2-ylimino)isoindoline ((S,S)-6), respectively, are reported. Complexes Zn((R,R)-5)(2) and Zn((S,S)-6)(2) were prepared in situ through the condensation of phthalonitrile with enantiopure 2-amino-4-(R)-phenyloxazoline ((R)-3) or 2-amino-4-(S)-iso-propyloxazoline ((S)-4) in the presence of ZnCl(2) at 80 °C in dry toluene over 3-4 days. The characterizations of Zn((R,R)-5)(2) and Zn((S,S)-6)(2) in both the solid (X-ray crystallography) and solution (multinuclear NMR spectroscopy) states are reported.
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| http://dx.doi.org/10.1039/c0dt00869a | DOI Listing |
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