Rearrangement of <i>N</i>,<i>N</i>-Di-<i>tert</i>-butoxycarbonylpyridin-4-amines and Formation of Polyfunctional Pyridines LiuYahua DingQiang WuXu 2008 <i>N</i>,<i>N</i>-Di-<i>tert</i>-butoxycarbonylpyridin-4-amines were found to be rearranged to <i>tert-</i>butyl 4-(<i>tert</i>-butoxycarbonylamino)nicotinates by treatment with LDA in THF.