Diels–Alder reactions. Part II. Condensation of methyl trans-β-formyl-crotonate with dienols and their acetates
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 584-589
- https://doi.org/10.1039/p19730000584
Abstract
Methyl trans-β-formylcrotonate gave Diels–Alder adducts with 3-methylpenta-trans-2,4-dien-1-ol and 3-methyl-penta-trans-2,4-dienyl acetate. The structures of the adducts were determined by their conversion into the corresponding γ-and δ-lactones. A novel rearrangement of a trans-γ-lactone to a cis-γ-lactone is described.Keywords
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