Dimethyl Sulfate → HCID 86624072, compound

Participants

Reaction Steps

In 40 ml of acetone, 0.4 g (1.3 mmol) of (4E)-4-[4-(dimethylamino)benzylidene]-5-methyl-2-(2-pyridinyl)-2,4-dihydro-3H-pyrazol-3-one and 1.66 g (13.06 mmol) of dimethyl sulfate are stirred under reflux for one hour. The precipitated product is filtered off with suction, washed with acetone and dried under reduced pressure.

Provenance & Evidence