(s)-(-)-2,2′-bis(diphenylphosphino)-1,1′-binaphthyl cas 76189-56-5

描述

CAS 76189-56-5 Details

Chemical Name:(S)-(-)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl

CAS No.:76189-56-5

Molecular Formula:

Molecular Weight:622.67

MolecularStructure:C44H32P2

Appearance:Almost white crystalline powder

CAS 76189-56-5 Typical Properties

Items	Standard
Appearance	Almost white crystalline powder
Purity	≥98 %( HPLC )
Optical rotation	-234 ° (C = 0.3 toluene)
Melting point	241～242℃

CAS 76189-56-5 Usage

1.2,2′-bis(diphenylphosphino)-1,1′-binaphthyl and its anthracene and anthracene derivatives can be used as highly selective homogeneous catalysts for aryl ketones, β-ketoesters and α- reduction of aminoketone.

2. It can also be used for asymmetric hydrogenation and hydroformylation of olefins, asymmetric Heck reaction and asymmetric isomerization of allyl groups.

3. Ligands for palladium-catalyzed asymmetric tandem Heck reaction

4. It can also be used for the asymmetric hydrogenation of ruthenium-catalyzed α,β-unsaturated acids.

CAS 76189-56-5 Packaging and Shipping

Packing: 25kg/drum

CAS 76189-56-5 Storage

Stored in cool dry ventilated place away from fire, heat, light, acids and food materials