3-Hydroxyazetidine hydrochloride

3-Hydroxyazetidine hydrochloride is an amino-alcohol building block containing a four-membered nitrogen ring and a secondary hydroxyl group. The ring nitrogen supports substitution or protection after salt neutralization, while the alcohol enables ether formation or conversion into other C3 substituents. This provides two independent functionalization sites within a compact heterocyclic scaffold.

The selected material is the hydrochloride of the unprotected amino alcohol, not an N-Boc derivative or azetidin-3-one. The salt provides an isolated form of the amine, and subsequent protection can separate nitrogen chemistry from alcohol manipulation. Its strained four-membered ring differs geometrically from pyrrolidine and piperidine, making it useful when a smaller cyclic amino-alcohol fragment is required in synthetic intermediates.

Typical Applications

• N-Substituted hydroxyazetidines: Used after neutralization in N-alkylation, acylation or protection sequences, attaching a substituent at ring nitrogen while retaining the C3 hydroxyl group.
• Azetidine ether intermediates: Used in routes that protect the ring nitrogen and functionalize the alcohol, introducing an oxygen-linked substituent onto the compact four-membered heterocycle.
• Azetidinone precursor preparation: Used in alcohol-oxidation sequences, commonly after appropriate nitrogen protection, to provide a carbonyl-bearing azetidine intermediate for further synthetic transformations.

Specifications

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