Used in organic synthesis as an intermediate for pharmaceuticals, particularly in the preparation of bioactive molecules and drug candidates. The aldehyde group allows for further functionalization via reactions such as reductive amination or Wittig reactions, while the Boc-protected piperazine enables controlled deprotection and incorporation into larger structures. Commonly employed in the development of kinase inhibitors and CNS-active compounds due to the piperazine scaffold’s prevalence in such drugs. Its structure facilitates the construction of complex heterocyclic systems through cyclization or coupling reactions.