Merck

732117

Sigma-Aldrich

Pd-PEPPSI-IPent catalyst

≥95%

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Sinónimos:
Dichloro[1,3-bis(2,6-Di-3-pentylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(II), [1,3-Bis(2,6-Di-3-pentylphenyl)imidazol-2-ylidene](3-chloropyridyl)dichloropalladium(II), [1,3-Bis(2,6-Di-3-pentylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(II) dichloride
Fórmula empírica (notación de Hill):
C40H56Cl3N3Pd
Número de CAS:
Peso molecular:
791.67
ID de la sustancia en PubChem:
NACRES:
NA.22

Nivel de calidad

Análisis

≥95%

formulario

solid

idoneidad de la reacción

core: palladium
reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Cross Couplings
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

mp

195-201 °C

temp. de almacenamiento

−20°C

cadena SMILES

Clc1cccnc1.CCC(CC)c2cccc(C(CC)CC)c2N3C=CN(c4c(cccc4C(CC)CC)C(CC)CC)\C3=[Pd](/Cl)Cl

InChI

1S/C35H52N2.C5H4ClN.2ClH.Pd/c1-9-26(10-2)30-19-17-20-31(27(11-3)12-4)34(30)36-23-24-37(25-36)35-32(28(13-5)14-6)21-18-22-33(35)29(15-7)16-8;6-5-2-1-3-7-4-5;;;/h17-24,26-29H,9-16H2,1-8H3;1-4H;2*1H;/q;;;;+2/p-2

Clave InChI

BCXSKTXOKALLAZ-UHFFFAOYSA-L

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1 of 4

Este artículo
669032674702725447
vibrant-m

732117

Pd-PEPPSI-IPent catalyst

vibrant-m

669032

PEPPSI-IPr catalyst

vibrant-m

674702

PEPPSI-SIPr catalyst

vibrant-m

725447

CX23

reaction suitability

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

reaction suitability

core: palladium, reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Cross Couplings, 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 suitability

core: palladium, reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Cross Couplings, 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 suitability

core: palladium, reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Cross Couplings, 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

form

solid

form

-

form

-

form

solid

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

storage temp.

−20°C

storage temp.

-

storage temp.

-

storage temp.

2-8°C

mp

195-201 °C

mp

230 °C

mp

229-230 °C

mp

206-210 °C

Descripción general

Pd-PEPPSI-IPent catalyst is a palladium-based catalyst used in cross-coupling reactions to form C-N and C- C bonds.

Aplicación

  • Catalyst for Stille coupling reaction (eq. 1)
  • Catalyst for Negishi coupling reaction (eq. 2)
  • Catalyst for Suzuki coupling reaction (eq. 3)
Reaction scheme for Pd catalyst PEPPSI<SUP>™</SUP>-IPent used in cross coupling reaction
For small scale and high throughput uses, product is also available as ChemBeads (928399)

Información legal

Patented, U.S. Pat. No. 7,250,510. Sold under an exclusive license from Total Synthesis Ltd.
PEPPSI is a trademark of Total Synthesis Ltd.

Pictogramas

Exclamation mark

Palabra de señalización

Warning

Frases de peligro

Clasificaciones de peligro

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Michael G Organ et al.
Angewandte Chemie (International ed. in English), 48(13), 2383-2387 (2009-02-20)
Incredible Bulk: A series of N-heterocyclic carbene catalysts (see picture) were prepared and evaluated in the Suzuki-Miyaura reaction. A variety of sterically encumbered tetra-ortho-substituted biaryl products were formed from unreactive aryl chlorides using the isopentyl-substituted catalyst at temperatures ranging from
Meenakshi Dowlut et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(14), 4279-4283 (2010-03-09)
The reactivity of Pd-PEPPSI (Pyridine, Enhanced, Precatalyst, Preparation, Stabilization, and Initiation) precatalysts in the Stille-Migita cross-coupling reaction between heteroaryl stannanes and aryl or heteroaryl halides was evaluated. In general, Pd-PEPPSI-IPent (IPent=diisopentylphenylimidazolium derivative) demonstrated high efficiency over a variety of challenging
Pd-PEPPSI-IPent: low-temperature negishi cross-coupling for the preparation of highly functionalized, tetra-ortho-substituted biaryls.
Selçuk Calimsiz et al.
Angewandte Chemie (International ed. in English), 49(11), 2014-2017 (2010-02-18)
Cory Valente et al.
Angewandte Chemie (International ed. in English), 51(14), 3314-3332 (2012-01-31)
Palladium-catalyzed cross-coupling reactions enable organic chemists to form C-C bonds in targeted positions and under mild conditions. Although phosphine ligands have been intensively researched, in the search for even better cross-coupling catalysts attention has recently turned to the use of
Pd-PEPPSI-IPent: An Active, Sterically Demanding Cross-Coupling Catalyst and Its Application in the Synthesis of Tetra-Ortho-Substituted Biaryls
Organ MG, et al.
Angewandte Chemie (International Edition in English), 48(13), 2383-2387 (2009)

Artículos

Professor Mike Organ and co-workers have developed the PEPPSI™ (Pyridine-Enhanced Precatalyst Preparation Stabilization and Initiation) precatalysts for palladium-catalyzed cross-coupling reactions.

Explore the higher efficiency and superior functional group tolerance of the Pyridine-Enhanced Precatalyst Preparation Stabilization and Initiation (PEPPSI™) palladium N-heterocyclic-carbene catalyst system.

All of the preformed catalysts used in the kit are air and moisture stable complexes in their commercially available form.

Multiple tools have been created to ensure your success with kit set up. Start with the more detailed guide to ensure you are comfortable with all of the steps before using the quick guides on the excel worksheet. Remember that while the technique is new, it is still organic chemistry and so the steps will seem easy once you try just one kit. It is just a new way of approaching something you are already very good at.

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