Thermal, Three-Carbon + Two-Atom Cycloaddition of Cyclopropenone Ketals with Carbon-Heteroatom Double Bonds: Butenolide, Furan, and γ-Keto Ester Preparation.

DOI: 10.1016/S0040-4039(01)91394-2

Source and publish data:

Tetrahedron Letters p. 5615 - 5618 (1984)

Update date:2022-08-05

Topics:

Authors:

Boger, Dale L.

Brotherton, Chistine E.

Georg, Gunda I.

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Article abstract of DOI:10.1016/S0040-4039(01)91394-2

A preliminary study of the thermal reaction of cyclopropenone ketals with carbon-heteroatom double bonds is detailed.The reaction with aldehyde and keto carbonyls provide butenolide ortho esters, the product of a formal three-carbon + two-atom cycloaddition of the cyclopropenone ketal across the carbon-oxygen double bond.

Full text of DOI:10.1016/S0040-4039(01)91394-2

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