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Sigma-Aldrich

2-Brom-1-ethyl-pyridinium-tetrafluoroborat

≥97.0% (T)

Synonym(e):

BEP

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About This Item

Empirische Formel (Hill-System):
C7H9BBrF4N
CAS-Nummer:
878-23-9
Molekulargewicht:
273.86
Beilstein:
4059265
EG-Nummer:
212-900-2
MDL-Nummer:
MFCD00060046
UNSPSC-Code:
12352005
PubChem Substanz-ID:
57652696
NACRES:
NA.22

Qualitätsniveau

100

Assay

≥97.0% (T)

Form

crystals

Eignung der Reaktion

reaction type: Coupling Reactions

mp (Schmelzpunkt)

103-107 °C

Anwendung(en)

peptide synthesis

SMILES String

F[B-](F)(F)F.CC[n+]1ccccc1Br

InChI

1S/C7H9BrN.BF4/c1-2-9-6-4-3-5-7(9)8;2-1(3,4)5/h3-6H,2H2,1H3;/q+1;-1

InChIKey

YJDXVQLBIAJTHP-UHFFFAOYSA-N

Verwandte Kategorien

Allgemeine Beschreibung

2-Bromo-1-ethyl-pyridinium tetrafluoroborate is a coupling reagent employed in the synthesis of amides and esters through amidation and esterification reactions, respectively. It is generally prepared by the reaction of triethyloxonium tetrafluoroborate with 2?bromo pyridine.

Anwendung

2-Bromo-1-ethyl-pyridinium tetrafluoroborate can be used as a coupling reagent for:
  • The synthesis of N-methylated peptides in solution and solid phase.
  • The synthesis of cyclosporin A fragment and dolastatin 15 pentapeptide moiety.

Sonstige Hinweise

Coupling reagent for peptide synthesis; less racemization and faster reaction than with other reagents;e.g. BOP, PyBrOP, PyClU, BTFFH, CMBI

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

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Sigma-Aldrich

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