Formaldehyde → 5-cyano-1-(N-hydroxymethyl-2,4,6-trichloroanilino)-2,4-pyrimidinedione

참여 물질

반응 단계

Two grams of 5-cyano-1-(2,4,6-trichloroanilino)-2,4-pyrimidinedione is added to 1.6 ml of 35% formaldehyde in enough 95% formic acid to effect stirring. The mixture is heated to reflux and 95% formic acid is added dropwise until the solid is dissolved. The mixture is refluxed overnight, after which 3.2 ml of aqueous formaldehyde is added and refluxing is continued for another 8 hours. The reaction mixture is poured into water and the precipitate is filtered to yield the compound 5-cyano-1-(N-hydroxymethyl-2,4,6-trichloroanilino)-2,4-pyrimidinedione, m.p.>300°.

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