Dramatic structural changes of donor-functionalized alkoxides of aluminiumupon replacement of the ester functionality by ketone

Authors
Lewinski, J Justyniak, I Ochal, Z Zachara, J
Citation
J. Lewinski et al., Dramatic structural changes of donor-functionalized alkoxides of aluminiumupon replacement of the ester functionality by ketone, J CHEM S DA, (17), 1999, pp. 2909
Citations number
16
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS
ISSN journal
03009246 → ACNP
Issue
17
Year of publication
1999
Database
ISI
SICI code
0300-9246(1999):17<2909:DSCODA>2.0.ZU;2-6
Abstract
Upon replacement of the ester functionality by ketone functionality in alph a-hydroxy carbonyl compounds dramatic structural changes of donor-functiona lized alkoxides of aluminium are observed: complete reversal of the stereoc hemistry of the aluminium alkoxide adduct formation, dissociation of the fi ve-coordinate dimer to a monomeric four-coordinate chelate complex; the fir st example of an aluminium Cram-type chelate complex derived from the react ion of Et3Al with an equimolar amount of rac-acetoin is reported.