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1H and 17O NMR spectroscopic detection and characterization of titanium (IV) alkylperoxo complex

✍ Scribed by E.P. Talsi; K.V. Shalyaev

Book ID
103997595
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
610 KB
Volume
105
Category
Article
ISSN
1381-1169

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✦ Synopsis

Using 'H and "0 NMR spectroscopy it was shown that in the initial stage of the reaction of TiO( acac), (Hacac= acetylacetone) with an excess of Me,COOH in benzene an alkylperoxo complex Ti( acac)2( OOCMe,)OH is formed. The mode of generation of this alkylperoxo complex (via addition of Me,COOH to Ti=O bond) differs from that previously observed for alkylperoxo complexes of vanadium( IV) and molybdenum( VI) (via oxidative addition or ligand substitution. respectively). Ti( acac),( QOCMe,)OH is probably octahedral with acetylacetonato ligands occupying equatorial positions.

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1H, 13C, 17O NMR and IR spectroscopic study of all methyl chloropropanoates
✍ Erkki Kolehmainen; Ilpo O. O. Korhonen; Reijo Kauppinen πŸ“‚ Article πŸ“… 1994 πŸ› John Wiley and Sons 🌐 English βš– 365 KB

## Abstract ^1^H, ^13^C and ^17^O NMR chemical shifts, __^n^J__(H,H) and __^n^J__(C,H) spin‐spin coupling constants and IR absorption maxima and intensities for the most characteristic bands of methyl propanoate and all eleven chloropropanoic acid methyl esters are reported.