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675792

Sigma-Aldrich

(S)-(−)-2,2′,6,6′-Tetramethoxy-4,4′-bis(diphenylphosphino)-3,3′-bipyridine

97%

Sinônimo(s):

(S)-P-Phos

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About This Item

Fórmula empírica (Notação de Hill):
C38H34N2O4P2
Número CAS:
362524-23-0
Peso molecular:
644.64
Número MDL:
MFCD04038734
Código UNSPSC:
12352005
ID de substância PubChem:
24885300
NACRES:
NA.22

Ensaio

97%

atividade óptica

[α]20/D -98°, c = 1 in chloroform

pf

261-265 °C

grupo funcional

phosphine

cadeia de caracteres SMILES

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

chave InChI

JZOSBBLJKXSBBN-UHFFFAOYSA-N

Aplicação

(S)-P-Phos can be used as a ligand:
  • In the asymmetic hydrogenation reactions.
  • For the preparation of chiral ketone functionalized polymers by copolymerization reaction.
  • To synthesize chiral alkynes by asymmetric hydroalkynylation of nonpolar alkenes or norbornadienes using iridium catalyst.
  • In the selective allylic alkylation of indoles using palladium catalyst.

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

Informações legais

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

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análise (COA)

Lot/Batch Number
MKBF7298V
04216HE

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Asymmetric hydroalkynylation of norbornadienes promoted by chiral iridium catalysts
Fan B-M, et al.
Angewandte Chemie (International Edition in English), 51(31), 7821-7824 (2012)
Asymmetric hydrogenation of isobutyrophenone using a [(diphosphine) rucl2 (1, 4-diamine)] catalyst
Grasa, Gabriela A and Zanotti-Gerosa, Antonio and Medlock, Jonathan A and Hems, William P
Organic Letters, 7(8), 1449-1451 (2005)
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
Kim-Hung Lam et al.
European journal of medicinal chemistry, 45(11), 5527-5530 (2010-09-14)
Following our previously reported pyridinyl phosphine oxides as antitumor agents, we targeted the commercially available C(2)-axial chiral organophosphine ligand catalysts, such as 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl (BINAP) 1 and 2,2',6,6'-tetramethoxy-4,4'-bis(diphenylphosphino)-3,3'-bipyridine (P-Phos) 2 as a convenient source for producing organophosphine oxides as antitumor leads.

Artigos

P-Phos, PhanePhos and BoPhoz™ Ligands

The P-Phos ligand family was developed by Professor Chan of Hong Kong Polytechnic University and licensed to JM CCT in 2002. P-Phos is an atropisomeric biaryl bisphosphine with the unique feature of incorporating two methoxy-substituted pyridine rings in the backbone.

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