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(S)-(−)-2,2′-Bis(diphenylphosphino)-1,1′-binaphthalene

ALDRICH/295825 - 97%

Synonym: (S)-(−)-(1,1′-Binaphthalene-2,2′-diyl)bis(diphenylphosphine); (S)-(−)-BINAP

CAS Number: 76189-56-5
Empirical Formula (Hill Notation): C44H32P2
Molecular Weight: 622.67
MDL Number: MFCD00010805
Linear Formula: [(C6H5)2PC10H6-]2
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-295825-1G 1 g
$0.00
1/EA
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45-295825-5G 5 g
$466.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 295825-250MG.

 

assay 97%
form solid
InChI 1S/C44H32P2/c1-5-19-35(20-6-1)45(36-21-7-2-8-22-36)41-31-29-33-17-13-15-27-39(33)43(41)44-40-28-16-14-18-34(40)30-32-42(44)46(37-23-9-3-10-24-37)38-25-11-4-12-26-38/h1-32H
InChI key MUALRAIOVNYAIW-UHFFFAOYSA-N
mp 238-240 °C (lit.)
optical activity [α]19/D −233°, c = 0.3 in toluene
optical purity ee: 99% (HPLC)
Application: 2,2′-Bis(diphenylphosphino)-1,1′-binaphthyl and its rhodium and ruthenium derivatives are highly selective homogeneous catalysts used for the reduction of aryl ketones, β-keto esters, and α-amino ketones. They have also been used for asymmetric hydrogenation and hydroformylation of olefins, asymmetric Heck reactions, and asymmetric isomerizations of allyls.
Ligand used in a palladium-catalyzed, asymmetric, tandem Heck reaction-carbanion capture process leading to a synthesis of a tricyclic sesquiterpene. Also used in a ruthenium-catalyzed asymmetric hydrogenation of α,β-unsaturated acids.
Application: Reactant involved in:
• Enantioselective and diastereoselective unpoled carbonyl allylation
• Syntehsis of organophophine oxides as anittumor agents
• SN2 halogenation of hydroxy groups
• Synthesis of BINAP complexes
• Studies of conformational flexibility of BINAP chelates
Packaging: 1, 5 g in glass bottle
Packaging: 250 mg in glass insert
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity 97%
mp 238-240 °C (lit.)
UNSPSC 12352005

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