Phakathi
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1,4-Phthalaldehyde
Yongeza i-6.0 g ye-sodium sulfide, i-2.7 g yomgubo wesulfure, i-5 g ye-sodium hydroxide kunye ne-60 ml yamanzi kwi-250 ml yeflask enentamo ezintathu ene-reflux condenser kunye nesixhobo esishukumisayo, kwaye unyuse ubushushu bufikelele kuma-80.℃phantsi kokuvuselela.Umgubo wesulfure oMthubi uyanyibilika, kwaye isisombululo sijika sibe bomvu.Emva kwe-refluxing ye-1 h, isisombululo se-sodium polysulfide esimnyama esimnyama sifumaneka.
