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668966

Sigma-Aldrich

(R)-(+)-2,2′-Bis(di-p-tolylphosphino)-1,1′-binaphthyl

97%

Synonym(s):

(R)-Tol-BINAP

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About This Item

Empirical Formula (Hill Notation):
C48H40P2
CAS Number:
99646-28-3
Molecular Weight:
678.78
MDL number:
MFCD01311709
UNSPSC Code:
12352005
PubChem Substance ID:
24885011
NACRES:
NA.22

Assay

97%

form

solid

mp

254-258 °C

functional group

phosphine

SMILES string

Cc1ccc(cc1)P(c2ccc(C)cc2)c3ccc4ccccc4c3-c5c(ccc6ccccc56)P(c7ccc(C)cc7)c8ccc(C)cc8

InChI

1S/C48H40P2/c1-33-13-23-39(24-14-33)49(40-25-15-34(2)16-26-40)45-31-21-37-9-5-7-11-43(37)47(45)48-44-12-8-6-10-38(44)22-32-46(48)50(41-27-17-35(3)18-28-41)42-29-19-36(4)20-30-42/h5-32H,1-4H3

InChI key

IOPQYDKQISFMJI-UHFFFAOYSA-N

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Application

Catalyst involved in studies of the role of excess phosphine ligand in enantioselective conjugate addition of ethylmagnesium bromide and α,β-unsaturated ester

Reactant serving as a precursor for:
  • Catalysts used for reductive amination of ketones
  • Rh(I)-catalyst for hydrogenation of acetamidoacrylic acid derivatives
  • Chiral platinum catalysts for asymmetric Baeyer-Villiger oxidation of cyclic ketones
  • CuI-Tol-BINAP catalysts for enantioselective Michael reactions of Grignard reagents to unsaturated esters
  • BINAP Pt Dications for cation trapping

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCK8331
MKBG4852
MKBB3467
05310AJ
09118DE

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Articles

Baeyer-Villiger Oxidation Reaction

The Baeyer-Villiger oxidation is the oxidative cleavage of a carbon-carbon bond adjacent to a carbonyl, which converts the ketones to esters and the cyclic ketones to lactones.

BINAP/SEGPHOS® Ligands and Complexes

We present an article concerning BINAP/SEGPHOS® Ligands and Complexes.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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