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439290

Sigma-Aldrich

2,6-Dichloro-1-fluoropyridinium tetrafluoroborate

97%

Synonym(s):

1-Fluoro-2,6-dichloropyridinium tetrafluoroborate, 2,6-Dichloro-1-fluoropyridin-1-ium, 2,6-Dichloro-1-fluoropyridinium tetrafluoroborate(1-), N-Fluoro-2,6-dichloropyridinium tetrafluoroborate, tetrafluoroboranuide

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About This Item

Empirical Formula (Hill Notation):
C5H3BCl2F5N
CAS Number:
140623-89-8
Molecular Weight:
253.79
EC Number:
427-400-1
MDL number:
MFCD00153157
UNSPSC Code:
12352100
PubChem Substance ID:
24867496
NACRES:
NA.22

Quality Level

100

Assay

97%

mp

212-215 °C (lit.)

SMILES string

F[B-](F)(F)F.F[n+]1c(Cl)cccc1Cl

InChI

1S/C5H3Cl2FN.BF4/c6-4-2-1-3-5(7)9(4)8;2-1(3,4)5/h1-3H;/q+1;-1

InChI key

JVYBYXWHPIEUOT-UHFFFAOYSA-N

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General description

2,6-Dichloro-1-fluoropyridinium tetrafluoroborate is widely employed as fluorinating reagent in various reactions.

Application

2,6-Dichloro-1-fluoropyridinium tetrafluoroborate may be employed for the regioselective fluorination of fluorene.

Signal Word

Danger

Hazard Statements

H302,H314,H317,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

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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Fluorination of fluorene, dibenzofuran and their open analogues with caesium fluoroxysulfate and related fluorinating reagents.
Iskra J, et al.
Collection of Czechoslovak Chemical Communications, 73(12), 1671-1680 (2008)
Electrophilic NF Fluorinating Agents.
G. Sankar Lal et al.
Chemical reviews, 96(5), 1737-1756 (1996-08-01)
Oriol Planas et al.
Science (New York, N.Y.), 367(6475), 313-317 (2020-01-18)
Bismuth catalysis has traditionally relied on the Lewis acidic properties of the element in a fixed oxidation state. In this paper, we report a series of bismuth complexes that can undergo oxidative addition, reductive elimination, and transmetallation in a manner

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