In a paper just published by us2 it was' shown that nitrodichloro-acetanilides are formed when the isomeric nitro-anilines are treated with dichloro-acetic acid in the presence of phosphorus pentoxide. During the progress of this study it was observed that the reaction between o-toluidine and dichloro-ace tic acid took a different course when no dehydrating agent was present. When the substances are brought together at 0 O or below in the ...
