Allyl bromide → HCID 21450232, compound

Participants

Reaction Steps

i. A stirred mixture of finely powdered 6-(3-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone (13.1g, 0.07 mole), potassium carbonate (9.5g, 0.07 mole), allyl bromide (11.75 ml, 0.14 mole), and dry acetone (250 ml) was heated under reflux for 18 hours. Evaporation of the filtered solution under reduced pressure gave 6-(3-allyloxyphenyl)-4,5-dihydro-3(2H)-pyridazinone which was washed with ether (13.66g, 86%, m.p. 111°-113° C). Crystallisation from a small volume of ethanol gave the pure pyridazinone m.p. 112°-114° C.

Provenance & Evidence