Used primarily as a protected form of piperidine in organic synthesis, especially in pharmaceutical and agrochemical manufacturing. The Boc (tert-butoxycarbonyl) group acts as a protecting group for the nitrogen atom, preventing unwanted reactions during multi-step syntheses. This makes 1-Boc-piperidine a key building block in the preparation of complex molecules such as active pharmaceutical ingredients (APIs), where controlled deprotection under mild acidic conditions allows for selective functionalization. It is commonly employed in the synthesis of nitrogen-containing heterocycles and in combinatorial chemistry for drug discovery. Its stability and ease of handling make it suitable for large-scale industrial processes.