diazotisation and coupling with a phenol 1 as this method has not been found satisfactory for 2:4-dinitrophenyl derivatives, for example, 2:4-dinitro-phenyl-amino-acids, two other methods which ...

There is particular chemical interest in the reactions of dinitrophenyl hydrazine with nucleosides because the reagent replaces, in a specific manner, amino groups without respect to their ...

Guidance was issued nationally, with teachers urged to check if laboratories keep 2,4 dinitrophenyl hydrazine (DNP). It was discovered at three Carmarthenshire sites in total, with Army explosive ...