Publication detail

Aluminum(III) complexes containing O,O chelating ligand

Authors: Dostál Libor | Jambor Roman | Císařová Ivana | Merna Jan | Holeček Jaroslav

Year: 2007

Type of publication: článek v odborném periodiku

Name of source: Applied Organometallic Chemistry

Publisher name: John Wiley & Sons Ltd.

Place: Chichester

Page from-to: 688-693

Titles:

Language	Name	Abstract	Keywords
cze	Hlinité komplexy O,O chellátujícího ligandu	Byly připraveny hlinité komplexy O,O chellátujícího ligandu
eng	Aluminum(III) complexes containing O,O chelating ligand	The stoichiometric reactions of trimethylaluminum with 2,6-(MeOCH2)2C6H3OH (LH) revealed compounds L3Al (1) and L2AlMe (2). On the other hand reaction of 1 equiv. of LH with trimethylaluminum did not lead to the formation of complex LAlMe2 (3), rather 2 together with Me3Al were observed as a result of a disproportionation of 3. Compounds 1 and 2 were characterized by elemental analysis, 1H and 13C NMR spectroscopy and in the case of 1 by X-ray diffraction. Derivative 2 underwent transmetalationwith Ph3SnOH, giving LSnPh3 (4) as the result of amigration of ligand L from the aluminum to the tin atom. The identity of 4 was established by elemental analysis, 1H, 13C and 119Sn NMR spectroscopy and 1H, 119Sn HMBC experiments. The system 2 and B(C6F5)3 in a 1 : 1 molar ratio was shown to be active in the polymerization of propylene oxide and ε-caprolactone.	aluminum;tin;chelating ligands;transmetalation;polymerization

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