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Merck
CN

675806

(R)-(+)-2,2′,6,6′-Tetramethoxy-4,4′-bis(diphenylphosphino)-3,3′-bipyridine

97%

Synonym(s):

(R)-P-Phos

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About This Item

Empirical Formula (Hill Notation):
C38H34N2O4P2
CAS Number:
221012-82-4
Molecular Weight:
644.64
NACRES:
NA.22
PubChem Substance ID:
24885302
UNSPSC Code:
12352005
MDL number:
MFCD04038734

Key Documents

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Product Name

(R)-(+)-2,2′,6,6′-Tetramethoxy-4,4′-bis(diphenylphosphino)-3,3′-bipyridine, 97%

InChI key

JZOSBBLJKXSBBN-UHFFFAOYSA-N

SMILES string

COc1cc(P(c2ccccc2)c3ccccc3)c(c(OC)n1)-c4c(OC)nc(OC)cc4P(c5ccccc5)c6ccccc6

InChI

1S/C38H34N2O4P2/c1-41-33-25-31(45(27-17-9-5-10-18-27)28-19-11-6-12-20-28)35(37(39-33)43-3)36-32(26-34(42-2)40-38(36)44-4)46(29-21-13-7-14-22-29)30-23-15-8-16-24-30/h5-26H,1-4H3

assay

97%

form

solid

optical activity

[α]20/D +98°, c = 1 in chloroform

mp

261-265 °C

functional group

phosphine

Quality Level

100

Related Categories

Application

Ligand employed in the asymmetic hydrogenation of ß-keto esters, 2-arylacrylates, aryl ketones , and other substrates.

Legal Information

Sold in collaboration with Johnson Matthey Catalyst for research purposes only. US5886182 and any patents arising therefrom apply.

Storage Class

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
MKCW0863
MKCD6219
MKCD6218
04316HE

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Jing Wu et al.
Accounts of chemical research, 39(10), 711-720 (2006-10-18)
This Account outlines our efforts in the design and synthesis of a family of highly effective atropisomeric dipyridylphosphine ligands (P-Phos and its variants) and in the development of their widespread applications in transition-metal-catalyzed asymmetric reactions including hydrogenation, hydrosilylation, and C-C

Articles

P-Phos, PhanePhos and BoPhoz™ Ligands

P-Phos ligand family enhances catalysis, featuring atropisomeric biaryl bisphosphine with unique structural elements.

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