Abstract
Meldrum's acid, 2'5-diphenyl-1'3-dioxane-4'6-dione, was produced by [2+2]
cycloadditions of the (chlorocarbony1)phenylketene with benzaldehyde. Acid
hydrolysis of the meldrum's acid regenerated benzaldehyde and also yielded
phenylacetic acid as the final product
)