Methanol → HCID 67878855, compound

Participants

Reaction Steps

24.13 g of 4,7-dichloro-3-(4,6-dimethoxy-2-pyrimidinyl)-3-hydroxyphthalide is slurried in 500 ml of methylene dichloride and 200 ml of methanol and 125 ml of freshly distilled isopropylamine added. The mixture is heated to reflux and the solution filtered, cooled and stripped. The solid is dried in vacuum for 4 hrs at 45° C. to give the title product m.p. 194°-196° C.

Provenance & Evidence