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Synlett 2013; 24(6): 661-665
DOI: 10.1055/s-0032-1318098
DOI: 10.1055/s-0032-1318098
synpacts
Chiral Phosphoric Acid Catalyzed Stereoselective Spiroketalizations
Weitere Informationen
Publikationsverlauf
Received: 30. November 2012
Accepted after revision: 19. Dezember 2012
Publikationsdatum:
16. Januar 2013 (online)
Abstract
The spiroketal functionality is an important structural motif present in numerous natural products. The synthesis of chiral spiroketals is typically achieved under equilibrating conditions and only few asymmetric approaches are known. We have demonstrated that chiral phosphoric acids (CPAs) could serve as effective catalysts for enantioselective spiroketalizations as well as control the course of the corresponding diastereoselective reactions.
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