de Mayo reaction

de Mayo reaction
Photochemical process leading to the formation of cyclobutanols by cycloaddition of an alkene to a
1,3-dicarbonyl-enol. The enol originates in most cases from the tautomerization of a 1,3-dicarbonyl
compound. The products of the de Mayo reaction are susceptible to undergo a retro-aldol ring opening
resulting in the formation of 1,5-dicarbonyl compounds.

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