Alkylative carbonyl transposition of dihydro-α-pyrones to dihydro-α-pyrones
Alkylative carbonyl transposition of dihydro-α-pyrones to dihydro-α-pyrones
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Date
1993-04-16
Authors
Nangia, A.
Rao, P. Bheema
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Abstract
Dihydro-α-pyrones (2) are prepared from β-hydroxy ketones (1). Dihydropyrones (2) are transformed to unsaturated δ-lactones (4) via an alkylative 1,3-carbonyl transposition. © 1993.
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Tetrahedron Letters. v.34(16)