Diels-alder reactions of malondialdehyde derivatives with reversed electron demand; an easy approach to structurally unique carbohydrates and compounds of the thromboxane type — Lutz‐F. Tietze (1982) | RDL Network
Diels-alder reactions of malondialdehyde derivatives with reversed electron demand; an easy approach to structurally unique carbohydrates and compounds of the thromboxane type
Tetrahedron Letters 23(11): 1147-1150
Article 1982 English
Authors
LT
Lutz‐F. Tietze
KG
Karl‐Heinz Glüsenkamp
KH
Klaus Harms
Abstract
1 min read
2-Formyl-malondialdehyde (
1
) reacts at 22°C in a type of Diels-Alder reaction with reversed electron demand with the enol-ethers (
18
) – (
21
) and (
23
) – (
25
) within a frew hours to give the dihydropyrans (
2
) – (
9
) and (
12
) – (
17
). Thio-enol-ethers may also be employed in this cycloaddition.
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