Lati salicylaldehyde nipasẹ iṣesi methylation pẹlu dimethyl sulfate.Illa 3kg ti iṣuu soda hydroxide sinu ojutu olomi 30%, ṣafikun 12.2kg salicylaldehyde ati 80L ti omi labẹ gbigbe, ati ooru si farabale.Laiyara ṣafikun 12.9kg ti dimethyl sulfate, jẹ ki ojutu ifasẹyin pada fun bii 3h lẹhin fifi kun, tẹsiwaju lati reflux fun 2-3h ni atẹle Iwe-kemikali…