IntroductionCAS Number: 98327-87-8 Molecular Formula: C44H32P2 Molecular Weight: 622.69 g/mol A
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Introduction
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.
98327-87-8 – Names and Identifiers
Name | racemic-2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl |
Synonyms | BINAP |
CAS | 98327-87-8 |
EINECS | 619-338-0 |
InChIKey | MUALRAIOVNYAIW-UHFFFAOYSA-N |
98327-87-8 – Physico-chemical Properties
Molecular Formula | C44H32P2 |
Molarmassa | 622.69 |
Melting Point | 283-286°C(lit.) |
Boling Point | 724.3±55.0 °C(Predicted) |
Vattenlöslighet | Soluble in tetrahydrofuran, benzene and dichloromethane. Slightly soluble in ether, methanol and ethanol. Insoluble in water. |
Solubility | Chloroform (Slightly, Sonicated), Dichloromethane (Slightly, Heated), |
Utseende | White to beige powder |
Färg | White to light beige |
Merck | 14,1223 |
BRN | 5321443 |
Lagringstillstånd | 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. |
98327-87-8 – 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. |
WGK Germany | 3 |
98327-87-8 – Introduction
racemic BINAP.
98327-87-8 – Reference Information
Ansökan | 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. |
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