Different NMR approaches to the chiral analysis of trisubstituted allenes devoid of polar functional groups and aromatic hydrocarbons.
The use of permethylated beta-cyclodextrin as chiral solvating agent for NMR spectroscopy allowed us to determine the enantiomeric purity of chiral aromatic hydrocarbons as well as the enantiomeric purity and absolute configuration of chiral trisubstituted allenes devoid of polar functional groups. The enantiomeric excesses of the trisubstituted allenes have been also determined by 195Pt NMR spectroscopy of the diastereoisomeric trans-dichloro[(S)-alpha-phenylethyl-amine](allene)Pt(II) complexes.
Centro di Studio del CNR per le Macromolecole Stereordinate ed Otticamente Attive, Dipartimento di Chimica e Chimica Industriale, Pisa, Italy.
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Uccello-Barretta
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Salvadori
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Menicagli
D003505:Cyclodextrins / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D017671:Platinum Compounds / Q000737:chemistry; D011084:Polycyclic Aromatic Hydrocarbons / Q000737:chemistry*; D012997:Solvents / Q000737:chemistry; D013237:Stereoisomerism
D003505:Cyclodextrins; D017671:Platinum Compounds; D011084:Polycyclic Aromatic Hydrocarbons; D012997:Solvents