Process for preparing piperonal

Details Process for preparing piperonal Process for preparing piperonal

C - Chemistry, Metallurgy

07

D

260/352.5

C07D 317/54 (2006.01)

Patent

CA 1097666

Title of the Invention Process for Preparing Piperonal Abstract of the Disclosure A process for preparing piperonal which comprises the steps of reacting 1, 2-methylenedioxybenzene with an N-alkylformanilide and a condensing agent comprising one or more compounds selected from the group consisting of phosgene, phosphorus oxychloride, phosphorus oxybromide, thionyl chloride, thionyl bromide, sulfuryl chloride, sulfuryl bromide, phosphorus trichloride, and phosphorus pentachloride, and then hydrolyzing the resulting reaction product. -1-

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