Secondary-amines sentence example

secondary-amines
  • 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.

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  • The mixed secondary amines are prepared by the action of alkyl iodides on the primary amines, or by heating salts of the primary amine with alcohols under pressure.

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  • The mixed secondary amines have basic properties, but the purely aromatic secondary amines are only very feeble bases.

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  • The secondary amines do not give the isonitrile reaction.

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  • Diphenylamine, (C6H5)2NH, is the simplest representative of the true aromatic secondary amines.

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  • With methyl and ethyl alcohols it forms secondary amines (Vidal, Comptes rendus, 1891, 112, p. 950; 1892, 115, p. 123).

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