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2-cyano-2-alkoxy-imino-acetamides of general formula(I) (where Alk.=alkyl gp. (methyl, ethyl etc.)) are prepd. by dissolving at 35-60 deg. C an adduct of cyanacetamidozime with its own sodium (potassium) salt in equimolar quantities of a 9% aq. alkaline soln. so that the pH should be 9-11. The soln....

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Hauptverfasser: ARPAD MARIA, RO, SAUCA ELENA, RO, ROSCA MIHAI, RO, BORS MARICICA, RO, POP MIRCEA, RO, CHIRA NATALIA, RO, LUNGU DORIN, RO, ZAMFIRESCU FLORENTINA, RO, MARCULESCU FLOAREA, RO, GAVRILOVICI NIL, RO, ZISIS CONSTANTINOS, RO
Format: Patent
Sprache:eng ; rum
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Zusammenfassung:2-cyano-2-alkoxy-imino-acetamides of general formula(I) (where Alk.=alkyl gp. (methyl, ethyl etc.)) are prepd. by dissolving at 35-60 deg. C an adduct of cyanacetamidozime with its own sodium (potassium) salt in equimolar quantities of a 9% aq. alkaline soln. so that the pH should be 9-11. The soln. is alkylated by di:alkyl-sulphates or either benzene- or toluene-alkyl-sulphonates pH is maintained by sijultaneous addn. of the aq. alkaline soln. at 9-7. Following stabilisation at pH 5-7, the mixt. is cooled and filtered. Yield: 80-90.