Tetrahedron p. 4573 - 4586 (1990)
Update date:2022-09-26
Topics:
Posner, Gary H.
Nelson, Todd D.
A convenient and mild thermal procedure has been developed for stereoselective 2+4-cycloadditions of electron-rich 1,2-dioxygenated olefins 7 to electron-deficient 3-sulfonyl-2-pyrone 6 allowing isolation of the structurally and stereochemically rich init
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