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221775 Sigma-Aldrich

Copper(II) bromide

99%

Synonym: Cupric bromide, brominating agent

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Copper Catalysts, Copper Salts, Essential Chemicals,
assay   99%
mp   498 °C (lit.)
density   4.77 g/mL at 25 °C (lit.)
reaction suitability   reagent type: catalyst
SMILES string   Br[Cu]Br
InChI   1S/2BrH.Cu/h2*1H;/q;;+2/p-2
InChI key   QTMDXZNDVAMKGV-UHFFFAOYSA-L

Description

General description

Cuprous bromide may be prepared by the reduction of cupric bromide or CuSO4-NaBr. In the molten state, it is grayish brown /greenish brown in color.

Application

Some reported applications of copper bromide are:
• catalyst in cross coupling reactions.
• co-catalyst in Sonogashira coupling.
• Lewis acid in enantioselective addition of alkynes.
• reducing agent, when complexed by three molecules of pyridine initiators for the controlled polymerization of styrene, methyl acrylate and methyl methacrylate.

Reductive homocoupling of α-bromo- α- chlorocarboxylates to dimethyl α, α′ dichlorosuccinate derivatives in presence of CuBr/LiOCH3 in methanol has been reported.

Packaging

5, 100, 500 g in glass bottle

Safety & Documentation

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles

Articles

ARGET ATRP: Procedure for PMMA Polymer Brush Growth

Surface preparation before polymer brush growth consists of two steps: surface cleaning and initiator monolayer deposition.
Keywords: Deposition, Nucleic acid annealing, Polymerization reactions, Solvents

Peer-Reviewed Papers
15

References

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