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MT 134 - Preperation of 2-pyridylamine (2-aminopyridine) complexes of nitro compounds


Content Handbook F


Outline of method

134.1 Technical nitrophenols

The sample is heated with 2-pyridylamine in petroleum spirit and the melting point of the complex produced is determined.

134.2 Technical nitrophenol esters

The ester is converted with butylamine and hydrochloric acid to the phenol. The phenol is extracted with hexane and the 2-pyridylamine complex prepared as in MT 134.1.