Intramolecular Cycloaddition Reactions of Ketene and Carbonyl Groups. A New Synthesis of Benzofurans

DOI: 10.1021/jo00361a047

Source and publish data:

Journal of Organic Chemistry p. 2145 - 2147 (1986)

Update date:2022-07-31

Topics:

Authors:

Brady, William T.

Giang, Frank Y.

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Article abstract of DOI:10.1021/jo00361a047

(o-Carbonylphenoxy)acetyl chlorides are dehydrochlorinated to the corresponding (o-carbonylphenoxy)ketenes which undergo a <2 + 2> cycloaddition reaction to yield tricyclic β-lactones which spontaneously decarboxylate to benzofurans.

Full text of DOI:10.1021/jo00361a047

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