(R)-(+)-2,2'-Diamino-1,1'-binaphthalene
CAS: 18741-85-0
Category: Organic Intermediates
| Purity | ≥99% (HPLC) |
| Molecular Formula | C20H16N2 |
| Molecular Weight | 284.35 |
| Appearance | White to off-white or slightly beige powder/solid |
| Packaging | 1g/glass bottle, 5g/glass bottle, 10g/glass bottle, 25g/glass bottle |
| Testing Indicators | Appearance — Visual inspection; Purity — HPLC; Optical purity — Chiral HPLC or polarimetry ([α]D = +156° (c=1, pyridine)); Identification — ¹H NMR, ¹³C NMR, IR, MS; Melting point — Capillary method (242-244°C). |
| Storage Notes | Store in a cool, dry, well-ventilated area, protected from light (Keep in dark place). Keep container tightly sealed under inert gas (nitrogen) due to air sensitivity. Storage at 0-8°C is recommended. |
| Lead Time | 10 days |
A versatile chiral aromatic diamine used as a key building block in asymmetric synthesis. It is a precursor for chiral ligands (e.g., BINAM-based phosphoramidites and thiourea organocatalysts) for enantioselective reactions, such as hydrogenation and cyclopropanation. It is also employed in the synthesis of natural products, pharmaceuticals, and advanced materials, including chiral hole-transport layers for circularly polarized organic light-emitting diodes (CP-OLEDs).