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644714

Sigma-Aldrich

Pd EnCat® 30

extent of labeling: 0.4 mmol/g Pd loading

동의어(들):

Palladium acetate, microencapsulated in polyurea matrix

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About This Item

MDL number:
UNSPSC 코드:
12161600
NACRES:
NA.22

포함

0.37-0.44 mmol/g palladium

반응 적합성

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

라벨링 범위

0.4 mmol/g Pd loading

일반 설명

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

애플리케이션

Recyclable, immobilized catalyst system that simplifies removal of Pd in C-C bond forming and reduction processes.
While Pd EnCat 40 shows excellent performance in a variety of transformations, Pd EnCat 30, with lower matrix content, shows similar performance but with improved kinetics while maintaining the mechanically robust nature of Pd EnCat 40 under similar conditions.

특징 및 장점

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

기타 정보

Matrix content 30%

법적 정보

Pd Encat® technology.
EnCat is a registered trademark of Reaxa Ltd.

픽토그램

FlameHealth hazardExclamation mark

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

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

표적 기관

Nervous system

WGK

WGK 3

개인 보호 장비

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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시험 성적서(COA)

Lot/Batch Number

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문서 라이브러리에서 최근에 구매한 제품에 대한 문서를 찾아보세요.

문서 라이브러리 방문

Yu, J.Q., et al.
Chemical Communications (Cambridge, England), 678-697 (2003)
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
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.

문서

Sigma-Aldrich offers EnCat and a variety of transition metal-based encapsulated catalysts for applications in areas such as Suzuki, Stille, and Heck couplings, carbonylations, hydrogenation, hydrogenolysis, and dihydroxylation.

관련 콘텐츠

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

자사의 과학자팀은 생명 과학, 재료 과학, 화학 합성, 크로마토그래피, 분석 및 기타 많은 영역을 포함한 모든 과학 분야에 경험이 있습니다..

고객지원팀으로 연락바랍니다.