Process for the preparation of ketones and novel insecticides produced therefrom
1989
Mills, F.D. | Brown, R.T. | Mills, J.
Abstract: An improved method for the decarbalkoxylation of alkylated beta-keto esters to obtain high yields of ketones. In accordane with the method, decarbalkoxylation of alkylated beta-keto esters is acccompanied by heating the esters in the presence of dilute aqueous alkali and an effective amount of a phase-transfer agent. The method produces commercially practical yields of ketone in a manner which is facile, economical and environmentally safe. Novel methylene-linked pyrethroid ketones produced from the improved method exhibit insecticidal activity against various agricultural pests.
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