BINAP 1.1′-Binaphthyl-2.2′-diphemyl phosphine CAS 98327-87-8
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CAS Number: 98327-87-8 Molecular Formula: C44H32P2 Molecular Weight: 622.69 g/mol Appearance: White to light beige powder Melting Point: 283-286 °C Usage: Mainly used as an intermediate in organic synthesis and asymmetric catalysis.
Physico-chemical Properties
| Molecular Formula | C44H32P2 |
| Molar Mass | 622.69 |
| Melting Point | 283-286°C(lit.) |
| Boling Point | 724.3±55.0 °C(Predicted) |
| Water Solubility | Soluble in tetrahydrofuran, benzene and dichloromethane. Slightly soluble in ether, methanol and ethanol. Insoluble in water. |
| Solubility | Chloroform (Slightly, Sonicated), Dichloromethane (Slightly, Heated), |
| Appearance | White to beige powder |
| Color | White to light beige |
| Merck | 14.1223 |
| BRN | 5321443 |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | Air Sensitive |
| MDL | MFCD00010805 |
| Physical and Chemical Properties | Melting point 280-285°C. |
| Use | Used for asymmetric hydrogenation catalysis, carbonyl reduction, etc. A ligand for the palladium-catalyzed arylamine coupling reaction for the preparation of desmethylthio-colchicine? cicatine. It can be used in combination with Cu(II) to catalyze the addition reaction of arylsulfonamide to produce styrene and olefins. It can also be used for palladium-catalyzed tripyridyl amine reaction. |
Risk and Safety
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 – Do not breathe dust. S24/25 – Avoid contact with skin and eyes. S37/39 – Wear suitable gloves and eye/face protection S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
Reference Information
| Application | 1.1 ‘-binaphthalen-2. 2’-diphenylphosphine (BINAP) it is a powerful chiral auxiliary, which is used as a homogeneous catalyst in some asymmetric chemical synthesis. 1.1 ‘-binaphthyl-2. 2’-diphenylphosphine is used as a ligand due to its high enantioselectivity to form a coordination complex. |
| Use | 1.1 ‘-binaphthyl-2. 2’-diphenylphosphine, commonly abbreviated as BINAP, ligands for asymmetric hydrogenation catalysis, carbonyl reduction; Palladium-catalyzed Arylamine coupling reactions for the preparation of desmethylthiocolchicine; With Cu(II) the use of a combination of catalyzed aryl sulfonamide addition reactions to produce styrene and olefins; For palladium-catalyzed terpyridination. BINAP is used for asymmetric hydrogenation catalysis, carbonyl reduction, etc. Palladium-Catalyzed Arylamine coupling reaction ligands for the preparation of demethylthiohydrin? Alkaloid. Catalytic aryl sulfonamide addition reactions can be used in combination with Cu(II) to produce styrene and olefins. It can also be used in palladium-catalyzed tri-pyridination reactions. |
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