The Journal of Organic Chemistry

The Chemistry of α, β-Unsaturated Ethers. V. Diels-Alder Reaction of Paraformaldehyde and 1-Alkoxy-1, 3-alkadienes1

DG Kubler

Index: Kubler,D.G. Journal of Organic Chemistry, 1962 , vol. 27, p. 1435 - 1436

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Citation Number: 20

Abstract

Gresham and Steadmana reported the first instance of a carbonyl group (formaldehyde) acting as a dienophile. The reaction was successful for 2-methyl-l, 3-pentadiene with paraformaldehyde yielding 2, 4-dimethyl-5, G-dihydro-2H-pyran but was unsuccessful with 1, 3-butadiene or piperylene. Dale and Sisti4 have shown that chloral will act as a dienophile with certain dienes including 23-dimethylbutadiene, isoprene, and piperylene ...

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