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The title compounds (III) are prepared by a novel procedure in optimized yields.

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1991cyanic acid and cyanic acid derivatives cyanic acid and cyanic acid derivatives P 0520 -118Reaction of Potassium Cyanamide with n-Alkyl Bromides.-Reaction of potassium cyanamide (II) with the alkyl bromides (I) in DMF gives the dialkylcyanamides (III). Performing the reaction in isopropanol (IV), the ethers (V) are produced predominantly. -(POLIVIN, YU. N.; YURECHKO, V. V.; VISHNYAKOVA, T. P.; AGEEV, E. A.; Izv.