Efficient lewis acid mediated epoxyolefin cyclizations with pyrones as terminators in liquid SO<sub>2</sub> as a solvent
- Publication Type
 - Journal contribution (peer reviewed)
 - Authors
 - Schmidt, D.; Leutbecher, H.; Conrad, J.; Klaiber, I.; Mika, S.; Greiner, G.; Beifuss, U.
 - Year of publication
 - 2007
 - Published in
 - Synlett
 - Band/Volume
 - 11/
 - DOI
 - 10.1055/s-2007-984506
 - Page (from - to)
 - 1725-29
 
Lewis acids like BF3 OEt2, TiCl4, ZnCl2 OEt2, ZnI2, and InCl3 in liq. SO2 as a solvent at low temps. have been found to be highly efficient in epoxyolefin cyclizations with pyrones as terminators.