tert-Butyl (S)-3-hydroxypiperidine-1-carboxylate

(S)-N-Boc-3-hydroxypiperidine is a chiral piperidine building block with a protected ring nitrogen and a free secondary alcohol. The hydroxyl provides a site for ether formation or conversion into a leaving group, while the Boc group suppresses competing reactions at nitrogen. Its existing stereocenter supplies the defined spatial arrangement required for stereospecific downstream intermediates.

The S-configured alcohol is distinct from its R counterpart and from unprotected hydroxypiperidine. Routes can manipulate the alcohol while the ring nitrogen is masked, then remove Boc to expose an amine for further coupling. Transformations involving displacement at the alcohol-bearing carbon may change configuration, so the starting configuration and the final product configuration describe different stages of the synthesis.

Typical Applications

• Chiral piperidine ethers: Used in oxygen-functionalization routes to attach aromatic or aliphatic groups through the alcohol, retaining a protected nitrogen for later assembly of the target molecule.
• 3-Substituted piperidine intermediates: Used in sequences that activate the alcohol and introduce a new substituent at C3, followed by Boc removal and downstream ring-nitrogen functionalization.

Specifications

Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.