BINAP 1.1′-Binaphthyl-2.2′-diphemyl phosphine CAS 98327-87-8

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 ...

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
Binap
(?-Binap
1.1′-Binaphthyl-2.2′-Diphemyl Phosphine
2,2′-BIS(DIPHENYLPHOSPHINO)-1,1′-BINAPHTHYL
(?-2,2-Bis(Diphenylphosphino)-1,1-Binaphthyl
Rac-2,2-Bis(Diphenylphosphino)-1,1-Binaphthyl
2,2′-Bis(diphenylphosphino)-1,1′-binaphthalene
Racemic-2,2′-bis(diphenylphosphino)-1,1′-binaphthy
racemic-2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl
S(-)-(1,1′-Binaphthalene-2,2′-Diyl)Bis(Diphenylphosphine)
RACEMIC-2,2”-BIS(DIPHENYLPHOSPHINO)-1,1”-BINAPHTHYL BINAP
2,2′-Bis-(diphenylphosphino)-1,1′-binaphthyl (Racemic BINAP)
CAS 98327-87-8
EINECS 619-338-0
InChIKey MUALRAIOVNYAIW-UHFFFAOYSA-N

98327-87-8 – 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.

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.
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

98327-87-8 – Introduction

racemic BINAP.

98327-87-8 – 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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