Stereochemistry of epoxide carbonylation using bimetallic Lewis acid/metal carbonyl complexes

The stereochemistry of epoxide carbonylation using bimetallic [Lewis acid] [Co(CO) complexes is reported. The achiral complex [(salph)Al(THF) ][Co(CO) ] stereospecifically carbonylates - and -2-butene oxide to the - and -β-lactones, respectively. Preliminary experiments regarding the carbonylative k...

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Bibliographic Details
Published in:Pure and applied chemistry 2004-01, Vol.76 (3), p.557-564
Main Authors: Getzler, Y. D. Y. L., Mahadevan, Viswanath, Lobkovsky, E. B., Coates, G. W.
Format: Article
Language:English
Subjects:
Bimetals
Carbonyls
Coordination compounds
Lactones
Lewis acid
Stereochemistry
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Summary:The stereochemistry of epoxide carbonylation using bimetallic [Lewis acid] [Co(CO) complexes is reported. The achiral complex [(salph)Al(THF) ][Co(CO) ] stereospecifically carbonylates - and -2-butene oxide to the - and -β-lactones, respectively. Preliminary experiments regarding the carbonylative kinetic resolution of racemic -2-butene oxide using the enantiomerically pure complex [( -salcy)Al(THF) ][Co(CO) ] are also reported.
ISSN:0033-4545
1365-3075
DOI:10.1351/pac200476030557