Primary-amines Sentence Examples
From the primary amines are derived the diazo compounds and azo compounds; closely related are the hydrazines (q.v.).
On reduction by sodium amalgam in glacial acetic acid solution they yield primary amines.
The primary amines are colourless liquids or crystalline solids, which are insoluble in water, but readily soluble in the common organic solvents.
The secondary amines may be of two types-namely,the purely aromatic amines, and the mixed secondary amines, which contain an aromatic residue and an alkyl group. The purely aromatic amines result upon heating the primary amines with their hydrochlorides, and, in some cases, by heating a phenol with a primary amine and anhydrous zinc chloride.
The mixed tertiary amines are produced by the action of alkyl halides on the primary amines.Advertisement
Substituted oxamides are produced by the action of primary amines on ethyl oxalate.
Eltekow, Ber., 1878, 11, p. 414); by the action of metals on the halogen compounds Cn.H 20 Br 2 i by boiling the aqueous solution of nitrites of the primary amines (V.
Bamberger (Ber., 18 94, 27, p. 9 1 4) obtained the diazoic acids, R NH NO 2, substances which he had previously prepared by similarly oxidizing the diazonium salts, by dehydrating the nitrates of primary amines with acetic anhydride, and by the action of nitric anhydride on the primary amines.
All aliphatic primary amines are stronger bases than ammonia.