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660272

Sigma-Aldrich

CX12

Umicore

Synonym(s):

1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (1,4-naphthoquinone)palladium(0) dimer, Bis[1,3-dihydro-1,3-(2,4,6-trimethylphenyl)-2H-imidazol-2-ylidene]bis[μ-[(2,3-η)-1,4-naphthalenedione-κO]]di-palladium, Naphthoquinone-1,3-bis(2,4,6-trimethylphenyl)-imidazole-2-ylidenepalladium(0), Pd(0)-naphthochinone-1,3-Bis(2,4,6-tri-methylphenyl)imidazol-2-ylidene

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About This Item

Empirical Formula (Hill Notation):
C62H60N4O4Pd2
CAS Number:
Molecular Weight:
1138.00
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

description

Umicore

Quality Level

form

solid

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

mp

>300 °C

SMILES string

O=C1C=CC(=O)c2ccccc12.O=C3C=CC(=O)c4ccccc34.Cc5cc(C)c(N6C=CN(C6=[Pd])c7c(C)cc(C)cc7C)c(C)c5.Cc8cc(C)c(N9C=CN(C9=[Pd])c%10c(C)cc(C)cc%10C)c(C)c8

InChI

1S/2C21H24N2.2C10H6O2.2Pd/c2*1-14-9-16(3)20(17(4)10-14)22-7-8-23(13-22)21-18(5)11-15(2)12-19(21)6;2*11-9-5-6-10(12)8-4-2-1-3-7(8)9;;/h2*7-12H,1-6H3;2*1-6H;;

InChI key

ZTBFODSKEBBIJJ-UHFFFAOYSA-N

General description

1,3-Bis(2,4,6-trimethylphenyl)imidazol-2-ylidene (1,4-naphthoquinone)palladium(0) dimer is an N-heterocyclic carbene based palladium catalyst that shows high catalytic activity in C-C coupling reactions.

Application

It can be used as a catalyst in the Kumada cross-coupling of aryl magnesium reagents with functionalized alkyl chlorides at room temperature to form substituted alkanes.

Other Notes

Product of Umicore

Additional information available at www.pmc.umicore.com

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


Certificates of Analysis (COA)

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Catalysts for Cross-Coupling Reactions with Non-activated Alkyl Halides.
Frisch AC and Beller M.
Angewandte Chemie (International Edition in English), 44(5), 674-688 (2005)

Articles

Sigma-Aldrich presents an article concerning NHC-based Pd catalysts and ligands for C–C bond formation at sigma-Aldrich.com.

In collaboration with Umicore AG and Co.,1 we are pleased to offer a series of robust Pd(II) and Pd(0) complexes employed as the linchpin in C–C bond forming reactions.

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