Allyl bromide → 1,2-Dimethyl 3-(2-propen-1-yloxy)-1,2-benzenedicarboxylate

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Reaction Steps

The starting material can be prepared as follows: 225 g of potassium carbonate and 98 g of allyl bromide are added to a solution of 170.0 g of dimethyl 3-hydroxy-phthalate in 400 ml of methyl ethyl ketone. The mixture is heated to the reflux temperature for 18 hours, whilst stirring, and then filtered, the filter residue is washed with methyl ethyl ketone and the filtrate, combined with the wash liquid, is evaporated under reduced pressure. The residual oily crude product is distilled under reduced pressure; dimethyl 3-allyloxyphthalate is obtained as the main fraction; boiling point 126°-130°/0.015 mm Hg.

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