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Sigma-Aldrich

Palladium hydroxide on carbon

Palladium hydroxide on carbon
1 of 1 reviewers received a sample product or took part in a promotion

extent of labeling: 20 wt. % loading (dry basis), matrix carbon, wet support

Synonym(s):

Pd(OH)2/C, Pearlman’s catalyst

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1 G
€64.90
10 G
€615.00
50 G
€1,540.00
500 G
€10,240.00

About This Item

Empirical Formula (Hill Notation):
H2O2Pd
CAS Number:
Molecular Weight:
140.43
EC Number:
MDL number:
UNSPSC Code:
12161600
PubChem Substance ID:
NACRES:
NA.22

€64.90


Please contact Customer Service for Availability

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form

powder

Quality Level

contains

≤50% water

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

20 wt. % loading (dry basis)

matrix

carbon, wet support

SMILES string

O[Pd]O

InChI

1S/2H2O.Pd/h2*1H2;/q;;+2/p-2

InChI key

NXJCBFBQEVOTOW-UHFFFAOYSA-L

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Application

Addition of Pd/C to Pd(OH)2/C improves the efficiency of N- or O-debenzylation.[1]
Effectively catalyzes the direct arylation reactions of aryl iodides and bromides in both intra- and intermolecular processes.[2]
Particularly active for hydrogenolysis of benzyl-nitrogen bonds, and has proven successful even where other palladium-on-carbon catalysts have failed.

Product can be used with our benchtop hydrogen generator, H-Genie Lite (Z744083)

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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Synthetic Communications, 36, 925-925 (2006)
Mathieu Parisien et al.
The Journal of organic chemistry, 70(19), 7578-7584 (2005-09-10)
[reactions: see text] Palladium hydroxide on carbon (Pearlman's catalyst) effectively catalyzes direct arylation reactions of aryl iodides and bromides, providing excellent arylation-to-hydrodehalogenation ratios (>30:1) with broad scope for both intra- and intermolecular arylation processes. Studies aimed at determining the nature
Hosmane, R. S.; Bhadti, V. S.; Lim, B. B.
Synthesis, 1095-1095 (1990)
Zhao, S.; Freeman, J. P.; Szmuszkovicz, J.
The Journal of Organic Chemistry, 57, 4051-4051 (1992)
Prugh, J. D.; Rooney, C. S. et al.
Tetrahedron Letters, 26, 2947-2947 (1985)

Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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Reviews

1 of 1 reviewers received a sample product or took part in a promotion

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    • Review 1
    • Vote 1
    5 out of 5 stars.

    Palladium hydroxide on carbon

    It works well as a catalyst in the reaction of benzyl deprotection

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