4-(Dibenzylamino)oxane-4-carbonitrile: Properties & Lab Use
4-(Dibenzylamino)oxane-4-carbonitrile: Properties & Lab Use
4-(dibenzylamino)oxane-4-carbonitrile is a quaternary alpha-aminonitrile building block featuring a tetrahydropyran (oxane) ring core that serves as a versatile synthetic intermediate for the preparation of structurally complex amines, amino acids, and heterocyclic scaffolds.
- Chemical Name
- 4-(dibenzylamino)oxane-4-carbonitrile
- SKU
- D174722
- Functional Groups
- Tertiary amine (dibenzylamino), nitrile (carbonitrile), tetrahydropyran ring
- Core Ring System
- Oxane (tetrahydropyran, THP) ring with quaternary C-4 center
- Primary Application
- Synthetic intermediate for quaternary alpha-amino acid and amine derivatives
- Supplier
- Aladdin Scientific
What Is 4-(Dibenzylamino)oxane-4-carbonitrile?
4-(Dibenzylamino)oxane-4-carbonitrile (Aladdin SKU: D174722) is an organic compound that combines three key structural elements: a six-membered oxygen-containing ring (oxane, also called tetrahydropyran), a tertiary amine bearing two benzyl groups, and a nitrile (carbonitrile) group. All three substituents converge on the C-4 carbon of the oxane ring, making that carbon a fully substituted quaternary center.
This structural motif classifies the compound as a quaternary alpha-aminonitrile, a well-recognized class of synthetic building blocks. The nitrile group is electrophilically activated and can be hydrolyzed to a carboxylic acid, reduced to an aldehyde or amine, or elaborated via addition reactions, enabling diverse downstream transformations. The dibenzylamine protecting group is readily removed by hydrogenolysis, exposing a free primary amine when required.
How Is This Compound Used in Synthesis?
The principal synthetic utility of 4-(dibenzylamino)oxane-4-carbonitrile lies in its role as a precursor to quaternary alpha-amino acids and structurally constrained amine scaffolds containing the tetrahydropyran motif. The oxane ring imposes conformational rigidity, which is often exploited in medicinal chemistry to pre-organize pharmacophores and improve binding selectivity.
Common transformations include: (1) Nitrile hydrolysis to afford the corresponding quaternary alpha-amino acid after debenzylation; (2) Reduction of the nitrile with a hydride reagent (e.g., DIBAL-H) to yield an aldehyde for further condensation reactions; (3) Nucleophilic addition to the nitrile carbon to introduce carbon or heteroatom nucleophiles; and (4) Hydrogenolytic debenzylation using Pd/C under hydrogen atmosphere to unmask the free amine, which can then be re-protected or functionalized selectively.
Researchers should note that the quaternary carbon center precludes racemization concerns at that site, which simplifies stereochemical analysis during multi-step synthesis.
Handling, Storage, and Safety Considerations
As with most organic nitrile-containing compounds, 4-(dibenzylamino)oxane-4-carbonitrile should be handled with standard laboratory precautions. Work in a well-ventilated fume hood, wear appropriate personal protective equipment (PPE) including chemical-resistant gloves, safety goggles, and a lab coat. Avoid inhalation of dust or vapors.
For storage, keep the compound in a tightly sealed container away from moisture, heat, and incompatible materials such as strong oxidizers, strong acids, and strong bases. Storage at cool, dry conditions (typically 2–8 °C or room temperature as specified on the product label) is recommended to maintain reagent integrity. Consult the Safety Data Sheet (SDS) provided by Aladdin Scientific for detailed hazard classifications, first-aid measures, and disposal instructions specific to this product.
Researchers planning debenzylation steps should follow all hydrogen-gas safety protocols applicable to high-pressure or atmospheric hydrogenation setups.
How to Order and What to Expect from Aladdin Scientific
4-(Dibenzylamino)oxane-4-carbonitrile is available from Aladdin Scientific under SKU D174722. To place an order, visit the Aladdin Scientific website and search by product name or SKU. Bulk quantities and custom packaging may be available upon request; contact the Aladdin sales team for a quotation.
Upon receipt, inspect the shipment for integrity of packaging and verify that the lot-specific certificate of analysis (CoA) matches the stated purity and physical description. Store immediately under the recommended conditions noted on the label. If you have questions about product specifications, regulatory documents (SDS, CoA), or order status, Aladdin Scientific customer service is available to assist.
Frequently asked questions
What is the chemical structure of 4-(dibenzylamino)oxane-4-carbonitrile?
The compound contains a tetrahydropyran (oxane) ring with a quaternary C-4 carbon bearing both a dibenzylamino group (N(CH2Ph)2) and a nitrile (CN) substituent. This makes C-4 a fully substituted carbon with no attached hydrogen, classifying the molecule as a quaternary alpha-aminonitrile with a constrained ring architecture.
What are the main synthetic applications of 4-(dibenzylamino)oxane-4-carbonitrile?
It is primarily used as a building block for the synthesis of quaternary alpha-amino acids and conformationally restricted amine derivatives featuring the tetrahydropyran scaffold. Key transformations include nitrile hydrolysis to carboxylic acids, hydride reduction to aldehydes, nucleophilic addition to the nitrile carbon, and Pd/C-catalyzed hydrogenolysis to unmask the free amine.
How should 4-(dibenzylamino)oxane-4-carbonitrile be stored to maintain stability?
Store the compound in a tightly sealed container under cool, dry conditions, away from moisture, strong acids, strong bases, and oxidizing agents. Follow the specific storage temperature stated on the product label and the Aladdin Scientific SDS. Proper storage minimizes degradation and ensures reagent performance over time.
Can the dibenzyl protecting groups be removed, and if so, how?
Yes. The two benzyl groups on the nitrogen are typically removed by catalytic hydrogenolysis using palladium on carbon (Pd/C) under a hydrogen atmosphere (atmospheric or elevated pressure), a standard and well-established deprotection method in organic synthesis. This reveals the free primary amine at the quaternary carbon center.
Is 4-(dibenzylamino)oxane-4-carbonitrile available in bulk quantities from Aladdin Scientific?
Bulk quantities and custom packaging options may be available upon request. Contact Aladdin Scientific's sales team directly with your quantity requirements and timeline to receive a tailored quotation. Standard pack sizes can be ordered online using SKU D174722.
References
- March, J. Advanced Organic Chemistry: Reactions, Mechanisms, and Structure, 4th ed.; Wiley-Interscience: New York, 1992. (General reference for nitrile chemistry and alpha-aminonitrile reactivity.)
- Wuts, P. G. M.; Greene, T. W. Greene's Protective Groups in Organic Synthesis, 4th ed.; Wiley-Interscience: Hoboken, NJ, 2007. (Reference for benzyl amine protection and hydrogenolytic deprotection strategies.)
- Aladdin Scientific. Product Page: 4-(dibenzylamino)oxane-4-carbonitrile, SKU D174722. (For current specifications, pricing, and SDS.)
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