Journal of Organic Chemistry p. 4836 - 4841 (1987)
Update date:2022-09-26
Topics:
Posner, Gary H.
Haces, Alberto
Harrison, Wayne
Kinter, Chris M.
Lewis acid catalysis or high pressure is an effective means for promoting stereocontrolled 2 + 4 cycloaddition between pyrone sulfoxide 1 and vinyl ethers and vinyl thioethers.The bridged, bicyclic lactone cycloadducts are versatile synthons carrying much
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