[CH3:1][N:2]([CH3:7])[C:3]([NH2:6])=[N:4][CH3:5].[CH:8]1([N:14]=[C:15]=[O:16])[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1>C1(C)C=CC=CC=1>[CH:8]1([NH:14][C:15]([N:6]=[C:3]([NH:4][CH3:5])[N:2]([CH3:7])[CH3:1])=[O:16])[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1To 60.6 parts by weight of 1,1,2-trimethylguanidine in 600 parts by volume of toluene are added dropwise with cooling 75 parts by weight of cyclohexyl isocyanate. After evaporation of the solvent in vacuo, the product is recrystallized from acetonitrile to yield 2-cyclohexylcarbamoyl-1,1,3-trimethylguanidine, m.p. 121°-124° C.
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