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87301

Sigma-Aldrich

Tetraheptylammonium bromide

≥99.0% (AT)

Synonym(s):

THPAB

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About This Item

Linear Formula:
[CH3(CH2)6]4N(Br)
CAS Number:
Molecular Weight:
490.69
Beilstein:
3763391
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99.0% (AT)

form

flakes

mp

87-89 °C (lit.)

SMILES string

[Br-].CCCCCCC[N+](CCCCCCC)(CCCCCCC)CCCCCCC

InChI

1S/C28H60N.BrH/c1-5-9-13-17-21-25-29(26-22-18-14-10-6-2,27-23-19-15-11-7-3)28-24-20-16-12-8-4;/h5-28H2,1-4H3;1H/q+1;/p-1

InChI key

YQIVQBMEBZGFBY-UHFFFAOYSA-M

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General description

Tetraheptylammonium bromide is a quaternary ammonium compound (QAC) mainly used as a phase-transfer agent. It is used as a catalyst for the Suzuki-Miyaura coupling reactions.

Application

Tetraheptylammonium bromide can be used as:
  • An alkylation reagent to synthesize benzothiazoles by using iodoanilines and sulfur.
  • A solvent in the Pd-catalyzed Suzuki and Stille coupling reactions of aryl halides.
  • A catalyst for carboxylative cyclization of propargylic amines to synthesize oxazolidinones.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Carbon-carbon cross coupling reactions in ionic liquids catalysed by palladium metal nanoparticles
Prechtl M, et al.
Molecules (Basel), 15, 3441-3461 (2010)
Robust silver (I) catalyst for the carboxylative cyclization of propargylic alcohols with carbon dioxide under ambient conditions
Song QW and He LN
Advanced Synthesis & Catalysis, 358, 1251-1258 (2016)
Pd nanoparticles as efficient catalysts for Suzuki and Stille coupling reactions of aryl halides in ionic liquids
Calo V, et al.
The Journal of Organic Chemistry, 70, 6040-6044 (2005)
Quaternary ammonium salt as alkylation agent in three-component reactions for the synthesis of benzothiazoles in water
Pan L, et al.
Royal Society of Chemistry Advances, 4, 27775-27779 (2014)
Trace determination of methanol in water?ethanol solution by derivatization and high-performance liquid chromatography.
Chen S
Journal of Chromatography A, 799(1-2), 93-99 (1998)

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