L-Nitroso-3-nitroguanidines

The more important methods of preparation of diazomethane include those from nitrosomethylurea, nitrosomcthylurethane, N-nitroso-/3-methylaminoisobutyl methyl ketone, and 1-methyl-l-nitroso-3-nitroguanidine. ... [Pg.18]

The l-alkyl-l-nitroso-3-nitroguanidines (structure II) have been suggested... [Pg.477]

It was observed that the nitroso-nitroguanidines may cause skin irritation. The higher alkylnitrosonitroguanidines are particularly noxious. The preparation of l-benzyl-l-nitroso-3-nitroguanidine is typical of the techniques used. [Pg.477]

N 52.61%, rosettes or flat ndls(from ale), mp 170—1°. It was prepd by Henry Smith(Ref 3) from me thy I hydrazine and 1-methyl-l-nitroso 3-nitroguanidine using a method developed by McKay Wright (Ref 2)... [Pg.231]

Diazohydroearbons. 1-Substituted-l-nitroso-3-nitroguanidines when treated with aq KOH gave diazohydroearbons, McKay et al (Ref) used this method to prepare Diazomethane, Diazoethane, Diazo-n-propane and other Diazocompds. See Ref 2 for their decompn S tud 10 s... [Pg.58]

N-Nitroso-N-Oi-butylJ-N -nitroguanidine [called l-Butyl-3-nitro-l-nitrosoguanidine in CA 5th Decennial Formula Index( 1947-1956),p 132F], ... [Pg.384]

Crysts, mp 141.2° with decompn. Can be prepd by treating a soln of 2-nittamino-A -in)idazo-line in 70% nitric acid with NaNO,. Treating l-nitroso-2-nitramino -A -imidazoline with aromatic amines in aq ethanol at 30° gave l-substituted-2-nitramino-AMmidazoIines and 1,2-disub stituted-3-nitroguanidines... [Pg.220]

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