Soti nan salicylaldehyde pa reyaksyon methylation ak silfat dimethyl.Melanje 3kg idroksid sodyòm nan yon solisyon akeuz 30%, ajoute 12.2kg salicylaldehyde ak 80L dlo anba brase, epi chofe a bouyi.Dousman ajoute 12.9kg dimethyl silfat, kenbe solisyon reyaksyon an rflu pou apeprè 3h apre li fin ajoute, kontinye rflu pou 2-3h apre Chemicalbook...