Journal of Organic Chemistry p. 2145 - 2147 (1986)
Update date:2022-07-31
Topics:
Brady, William T.
Giang, Frank Y.
(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.
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