The correct functional group $X$ and the reagent/ reaction conditions $Y$ in the following scheme ar

Question

The correct functional group $X$ and the reagent/ reaction conditions $Y$ in the following scheme are

Professor PC Thomas Classes · Answer

All these starting functional groups can be converted into diamines or diols: $-COOCH_3$ to diol, amides to amines via reduction or Hoffmann bromamide, and cyanides to amines via reduction. These diamines/diols can then undergo condensation polymerization.