Diamines Sentence Examples

P. Griess (Ber., 1872, 5, p. 192; 18 74, 7, p. 1223) orientated the three diaminobenzenes or phenylene diamines by considering their preparation by the elimination of the carboxyl group in the six diaminobenzoic acids.

Diamines.-The diamines contain two amino groups and bear the same relation to the glycols that the primary monamines bear to the primary alcohols.

The diamines are prepared by reducing the nitranilines or the dinitrohydrocarbons.

The three classes of diamines may be distinguished by their behaviour towards nitrous acid.

The Skraup reaction is a perfectly general one for primary amino-compounds; the halogen-, nitroand oxy-anilines (aminophenols) react similarly, as do also the toluidines, naphthylamines, aminoanthracene, metaand para-phenylene diamines, and orthoand 7-aminoquinoline.

We believe that this may be adapted to prepare novel chiral chelating diamines.

An experimental and computational study of the enantioselective lithiation of N -Boc pyrrolidine using sparteine-like chiral diamines, J. Am.

In the 1980s, we developed highly versatile synthesis of bicyclic medium ring diamines.