2-Bromo-1-ethylpyridinium tetrafluoroborate

2-Bromo-1-ethylpyridinium tetrafluoroborate Basic information
Product Name:2-Bromo-1-ethylpyridinium tetrafluoroborate
Synonyms:bromoethylpyridiniumtetrafluoroborate;2-bromo-1-ethylpyridin-1-ium tetrafluoroborate;BEP TETRAFLUOROBORATE;2-BROMO-1-ETHYLPYRIDINIUM TETRAFLUOROBORATE;BEPyBr;2-BROMO-1-ETHYLPYRIDINIUM TETRAFLUOROBORATE (BEP);2-Bromo-1-ethylpyridinium tetrafluoroborate 98%;2-Bromo-1-ethylpyridiniumtetrafluoroborate98%
CAS:878-23-9
MF:C7H9BBrF4N
MW:273.86
EINECS:212-900-2
Product Categories:B (Classes of Boron Compounds);Condensation & Active Esterification;Pyridinium Compounds;Synthetic Organic Chemistry;Tetrafluoroborates
Mol File:878-23-9.mol
2-Bromo-1-ethylpyridinium tetrafluoroborate Structure
2-Bromo-1-ethylpyridinium tetrafluoroborate Chemical Properties
Melting point 103-107 °C
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
form Crystalline Powder
color White
Water Solubility very faint turbidity
BRN 4059265
CAS DataBase Reference878-23-9(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 20/21/22-36/37/38
Safety Statements 22-24/25-36/37/39-26
RIDADR 1759
WGK Germany 3
9-21
Hazard Note Irritant
HazardClass 8
PackingGroup III
HS Code 29333990
MSDS Information
ProviderLanguage
SigmaAldrich English
2-Bromo-1-ethylpyridinium tetrafluoroborate Usage And Synthesis
Uses2-Bromo-1-ethylpyridinium Tetrafluoroborate is a carboxyl activation and coupling reagent for peptide synthesis.
Uses2-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.

General Description2-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.
2-Bromo-1-ethylpyridinium tetrafluoroborate Preparation Products And Raw materials
Raw materialsTriethyloxonium tetrafluoroborate-->2-Bromopyridine
1-ethylpyridine trifluoroacetate 3-Ethylpyridine Hydroxyethyl imidazole 2-Ethylpyridine 1-Hexadecylpyridinium bromide 4-BROMO-2,2-DIPHENYLBUTYRONITRILE Ethylboronic acid 2-Bromopyridine 2-Pyridineboronic acid 3-Bromoanisole Sodium 2-bromoethanesulphonate Fluoroboric acid Pyridine-4-boronic acid 4-Ethylpyridine 2-Bromo-1-ethylpyridinium tetrafluoroborate Ethylamine-borontrifluoride 3-Pyridylboronic acid

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