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644722

Sigma-Aldrich

Pd EnCat® 40

extent of labeling: 0.4 mmol/g Pd loading

Synonym(s):

Palladium acetate microencapsulated in polyurea matrix

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About This Item

MDL number:
MFCD06798791
UNSPSC Code:
12161600
NACRES:
NA.22

contains

0.37-0.44 mmol/g palladium

Quality Level

200

reaction suitability

core: palladium
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

extent of labeling

0.4 mmol/g Pd loading

Related Categories

General description

It is an encapsulated catalyst (EnCat®), wherein palladium acetate is microencapsulated within a polyurea matrix, which prevents palladium leaching.

Application

Reaxa Technology
Recyclable, immobilized catalyst system that simplifies removal of Pd in C-C bond forming and reduction processes.

Features and Benefits

The advantages of using Pd EnCat® catalysts are:
  • low residual metal levels in crude product
  • easy recovery of catalyst
  • compatibility of immobilized metal with various ligands to effect C-C bond forming reactions
  • safer and easier to handle than Pd/C for hydrogenation
  • efficiency and economy gains through recovery and recycling

Other Notes

Matrix content 40%

Legal Information

PdEncat® technology.
EnCat is a registered trademark of Reaxa Ltd.

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Sol. 2 - Repr. 1B - Skin Irrit. 2

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
1434526V
1438888V
1438888
1434526
07716EH

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Steven V Ley et al.
Organic letters, 5(24), 4665-4668 (2003-11-25)
[reaction: see text] Pd nanoparticles (approximately 2 nm in size) microencapsulated in polyurea is an efficient and recyclable catalyst for reductive ring-opening hydrogenolysis of epoxides, using either HCOOH/Et(3)N or H(2) as a hydrogen donor.
Steven V Ley et al.
Chemical communications (Cambridge, England), (10), 1134-1135 (2002-07-19)
Palladium(II) acetate microencapsulated in polyurea (MC-[Pd]) is an economical and versatile heterogeneous catalyst for a range of phosphine-free cross-coupling reactions in both conventional solvents and supercritical carbon dioxide (scCO2); the catalyst can be recovered by a simple filtration and recycled
Yu, J.Q., et al.
Chemical Communications (Cambridge, England), 678-697 (2003)

Related Content

Pd EnCat™ Encapsulated Palladium Catalysts

Homogeneous palladium catalysts are widely utilized due to their versatility, reactivity and functional group tolerance.

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