N Butylamine

Cool the solution in ice while the alkali hydroxide is dissolving some ammonia gas is evolved. When the potassium hydroxide has dissolved, separate the amine, and dry it for 24 hours over sodium hydroxide pellets. Filter into a Claisen flask and distil. Collect the di-n-butylamine at 157-160°. The yield is 31 g. 

A)Ai-dicyclohexyl-2-benzotliiazolesulfenamide (42) [4979-32-2], The cyclohexylamine derivative is preferred over /n/ butylamine [75-64-9] and morpholine sulfenamide analogues because of lower amine volatility and less nitrosamine risk respectively. 

Ethyl malonate or n-butylamine Benzyl acetate or diethylcarbitol -160° Isopentane... 

The anhydrides are usually used at ratios of 0.85 1.1 moles anhydride carboxyl group per epoxy equivalent. Lower ratios down to 0.5 1 may, however, be used with some systems. The organic bases are used in amounts of 0.5-3%. These are usually tertiary amines such as a-methylbenzyldimethylamine and n-butylamine. 

The alcohol is a mobile liquid, light in colour, with a boiling point of 170°C. It is very reactive and will resinify if exposed to high temperatures, acidity, air or oxygen. Organic bases such as piperidine and n-butylamine are useful inhibitors. 

Chemical Designations - Synonyms 1-Aminobutane Butylamine Mono-n-butylamine Norvalamine Chemical Formula CH3(CHj)3NH4. 

Chemical Reactivity - Reactivity with Water No reaction Reactivity with Common Materials No reactions Stability During Transport Stable Neutralizing Agents for Acids and Caustics Not pertinent Polymerization Polymerization is accelerated by heat and exposure to oxygen, as well as the presence of contamination such as iron rust. Iron surfaces should be treated with an appropriate reducing agent such as sodium nitrate, before being placed into isoprene service Inhibitor of Polymerization Tertiary butyl catechol (0.06 %). Di-n-butylamine, phenyl-beta-naphthylamine andphenyl-alpha-naphthylamine are also recommended. 

Table 2-2. Determination of Reaction Order Reaction of n-Butylamine with 1 ...

Modification of the Erlenmeyer reaction has been developed using imines of the carbonyl compounds, obtained with aniline," benzylamine or n-butylamine. Ivanova has also shown that an A-methylketimine is an effective reagent in the Erlenmeyer azlactone synthesis. Quantitative yield of 19 is generated by treatment of 3 equivalents of 2-phenyl-5(4ff)-oxazolone (2) (freshly prepared in benzene) with 1 equivalent of iV-methyl-diphenylmethanimine (18) in benzene. Products resulting from aminolysis (20), alkali-catalyzed hydrolysis (21), and alcoholysis (22) were also described. 

Sorm et a/. prepared azacytidine and some of its derivatives in a similar way. The 4-thio derivative was obtained from 2, 3, 5 -tri-0-acetyl- or 2, 3, 5 -tri-0-benzoyl-6-azauridine by treatment with phosphorus pentasulfide this liberated 4-thio-6-azauridine (126) which was identified with 4-thio-6-azauracil on comparing the UV spectra. Treatment with ammonia produced 6-azacytidine (127) treatment with hydrazine, hydroxylamine, and n-butylamine yielded the corresponding derivatives. 

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