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An improved synthesis of N-heterocyclic olefins (NHOs) containing terminal CH2 donor groups was developed. A preliminary investigation of the bonding mode and donor strengths of various structurally distinct NHOs was conducted by analysis of the IR and NMR spectra of their corresponding rhodium carbonyl complexes NHO·RhCl(CO)2, along with examination of pertinent metrical parameters via X-ray crystallography...
The ability of neutral Rh and Ir phosphinoenolate complexes of the type (COD)M(κ 2 -3-P i Pr 2 -2-O-indene) (M=Rh, 2a; M=Ir, 2b; COD=η 4 -1,5-cyclooctadiene) to mediate the addition of triethylsilane to styrene was explored under various reaction conditions in which the solvent, temperature and substrate ratio were altered. Throughout the course of these catalytic studies,...
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