What Is 5,6-Epoxy-5,6-dihydro-[1,10]phenanthroline?

5,6-Epoxy-5,6-dihydro-[1,10]phenanthroline is an organic compound derived from 1,10-phenanthroline, a well-established bidentate nitrogen-donor ligand widely used in analytical and coordination chemistry. In this derivative, the aromatic 5,6-bond of the phenanthroline scaffold has been partially reduced and oxidized to introduce a strained three-membered epoxide ring across the 5- and 6-positions.

The resulting structure retains the two pyridine-like nitrogen atoms of the parent phenanthroline core, while the epoxide moiety introduces significant electrophilic character at the 5,6-positions. This combination makes the compound a bifunctional building block: it can participate in nucleophilic ring-opening reactions through the epoxide and, depending on reaction conditions, may still coordinate to metal centers through its nitrogen donors.

Aladdin Scientific offers this compound as SKU E472561, cross-referenced to Sigma-Aldrich catalog number 578789.

Chemical Properties and Handling Considerations

The compound belongs to the class of epoxide-functionalized heterocycles. The strained epoxide ring renders the molecule more reactive than the parent 1,10-phenanthroline, and several handling considerations are therefore important for laboratory use:

• Moisture sensitivity: Epoxides are susceptible to hydrolytic ring-opening in the presence of water, particularly under acidic or basic conditions. The compound should be stored and handled under dry conditions.
• Storage: Store in a tightly sealed container, protected from moisture and light, at low temperature. Consult the product-specific Certificate of Analysis (CoA) and Safety Data Sheet (SDS) for confirmed storage temperature recommendations.
• Solubility: Phenanthroline derivatives are generally soluble in common organic solvents such as dichloromethane, chloroform, acetonitrile, and dimethyl sulfoxide. Specific solubility data should be verified against the product CoA.
• Stability: Avoid prolonged exposure to moisture, strong nucleophiles, strong acids, and strong bases, all of which can trigger epoxide ring-opening and degrade the compound.

Note: Specific physicochemical data (melting point, exact solubility values) are not provided in the current source material and should be confirmed from the product CoA or authoritative literature.

Research Applications

5,6-Epoxy-5,6-dihydro-[1,10]phenanthroline serves as a versatile intermediate in synthetic and coordination chemistry research. Key application areas include:

• Synthesis of functionalized phenanthroline ligands: The epoxide ring can be opened by a variety of nucleophiles (amines, alcohols, thiols) to introduce hydroxyl or other functional groups at the 5- and 6-positions of the phenanthroline scaffold, enabling the preparation of customized bidentate or polydentate ligands.
• Coordination chemistry: Functionalized phenanthrolines derived from ring-opening of this epoxide can coordinate to transition metals, forming complexes with tailored photophysical or redox properties relevant to luminescence studies, sensing, and catalysis.
• Supramolecular chemistry: Phenanthroline-based ligands are foundational building blocks in supramolecular assemblies, rotaxanes, and catenanes; this epoxide derivative provides a handle for covalent modification prior to or after metal coordination.
• Medicinal chemistry research: Phenanthroline derivatives and their metal complexes have been investigated for DNA-binding, intercalation, and biological activity; the epoxide intermediate may serve as a precursor to bioactive analogs.

Disclaimer: Specific published applications of this exact compound should be verified in primary literature. The above reflects general uses of analogous epoxide-functionalized phenanthroline chemistry.

Ordering, Availability, and Quality

5,6-Epoxy-5,6-dihydro-[1,10]phenanthroline is available from Aladdin Scientific under SKU E472561. This product is cross-referenced to Sigma-Aldrich catalog number 578789, providing researchers with a convenient alternative sourcing option.

When ordering, researchers and procurement staff should consider the following:

• Certificate of Analysis (CoA): Request a lot-specific CoA to confirm purity, appearance, and any analytical data (e.g., NMR, HPLC) relevant to your application.
• Safety Data Sheet (SDS): Review the SDS prior to use for hazard classification, personal protective equipment requirements, and waste disposal guidance.
• Pack sizes: Contact Aladdin Scientific sales or check the product page for available quantities and pricing.
• Lead time: Availability and lead time may vary; confirm current stock status with the Aladdin Scientific team.