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901906

Sigma-Aldrich

SPhos

95%

Sinonimo/i:

2-Dicyclohexylphosphino-2′,6′-dimethoxybiphenyl, S Phos

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About This Item

Formula empirica (notazione di Hill):
C26H35O2P
Numero CAS:
Peso molecolare:
410.53
Numero MDL:
Codice UNSPSC:
12161600
NACRES:
NA.22

Saggio

95%

Stato

powder or crystals

Impiego in reazioni chimiche

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling
reagent type: catalyst
reaction type: Cross Couplings

reagent type: ligand

Punto di fusione

164-166 °C (lit.)
165.5 °C

Gruppo funzionale

phosphine

Stringa SMILE

COc1cccc(OC)c1-c2ccccc2P(C3CCCCC3)C4CCCCC4

InChI

1S/C26H35O2P/c1-27-23-17-11-18-24(28-2)26(23)22-16-9-10-19-25(22)29(20-12-5-3-6-13-20)21-14-7-4-8-15-21/h9-11,16-21H,3-8,12-15H2,1-2H3
VNFWTIYUKDMAOP-UHFFFAOYSA-N

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Descrizione generale

SPhos [2-Dicyclohexylphosphino-2′, 6′-dimethoxybiphenyl] is an air-stable, electron-rich biaryl phosphine ligand developed by the Buchwald group to enhance the reactivity of palladium catalysis during cross-coupling reactions.

Applicazioni

Highly universal ligand for Suzuki-Miyaura coupling; aryl chlorides, hindered biaryls, heterobiaryls.
SPhos may be used as a ligand in the following processes:
  • Palladium catalyzed Suzuki-Miyaura cross-coupling reaction between Boc-protected aminomethyltrifluoroborate and aryl chlorides or hetaryl chlorides to form the corresponding aminomethylarenes.
  • Palladium catalyzed Suzuki-Miyaura cross-coupling reaction between 4-methyl-substituted piperidinylzinc reagent and different aryl or heteroaryl iodides to form various substituted piperidines.
  • Intramolecular Suzuki-Miyaura coupling to form the 18-membered macrocyclic ring during the multi-step synthesis of riccardin C.
Utilized in conjunction with palladium to form a highly active catalyst for C-N bond formation

Note legali

Usage subject to Patents: US 6307087; EP 1097158; JP 5758844; CA 2336691

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Synthesis of riccardin C and its seven analogues. Part 1: The role of their phenolic hydroxy groups as LXRa agonists.
Hioki H, et al.
Bioorganic & Medicinal Chemistry Letters, 19(3), 738-741 (2009)
Seel S, et al.
Journal of the American Chemical Society, 133(13), 4774-4777 (2011)
Sustainable Fe?ppm Pd nanoparticle catalysis of Suzuki-Miyaura cross-couplings in water
Handa, Sachin, et al.
Science, 349.6252, 1087-1091 (2015)
Pd-catalyzed Suzuki?Miyaura reactions of aryl halides using bulky biarylmonophosphine ligands
Altman, Ryan A., and Stephen L. Buchwald
Nature Protocols, 2.12 (2007)
A general solution for unstable boronic acids: slow-release cross-coupling from air-stable MIDA boronates
Knapp, David M., Eric P. Gillis, and Martin D. Burke
Journal of the American Chemical Society, 131.20, 6961-6963 (2009)

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