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Sigma-Aldrich

4-Fluorophenylboronic acid

≥95%

Synonym(s):

(4-Fluorophenyl)boric acid, (4-Fluorophenyl)dihydroxyborane, (4-Fluorophenyl)dihydroxyboron, (p-Fluorophenyl)boric acid, 4-Fluorobenzeneboronic acid, p-Fluorobenzylboronic acid, p-Fluorophenylboronic acid, NSC 142683

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About This Item

Linear Formula:
FC6H4B(OH)2
CAS Number:
1765-93-1
Molecular Weight:
139.92
Beilstein:
2829653
MDL number:
MFCD00039136
UNSPSC Code:
12352103
PubChem Substance ID:
24866160
NACRES:
NA.22

Assay

≥95%

form

powder

mp

262-265 °C (lit.)

SMILES string

OB(O)c1ccc(F)cc1

InChI

1S/C6H6BFO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4,9-10H

InChI key

LBUNNMJLXWQQBY-UHFFFAOYSA-N

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Application

4-Fluorophenylboronic acid can be used as a reactant in coupling reactions with arenediazonium tetrafluoroborates, iodonium salts, and iodanes. It is also used to make novel biologically active terphenyls.

It can also be used as a reactant in:
  • Suzuki coupling using microwave and triton B catalyst.
  • Pd-catalyzed direct arylation of pyrazoles with phenylboronic acids.
  • Mizoroki-Heck and Suzuki-Miyaura coupling reactions catalyzed by palladium nanoparticles.
  • Cu-catalyzed Petasis reactions.
  • Tandem-type Pd(II)-catalyzed oxidative Heck reaction and intramolecular C-H amidation sequence.
  • Ruthenium catalyzed direct arylation.
  • Rh-catalyzed asymmetric conjugate additions.
  • Ligand-free copper-catalyzed coupling of nitro arenes with arylboronic acids.
  • Regioselective arylation and alkynylation by Suzuki-Miyaura and Sonogashira cross-coupling reactions.
  • Suzuki cross-coupling of tetrabromothiophene.
  • Palladium-catalyzed addition to nitriles.

Other Notes

Contains varying amounts of anhydride

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H319,H335

Hazard Classifications

Acute Tox. 4 Oral - 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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Tetrahedron Letters, 48, 845-845 (2007)
Tetrahedron Letters, 37, 3857-3857 (1996)
Yuvraj Satkar et al.
Frontiers in chemistry, 8, 563470-563470 (2020-11-17)
The chemoselective reaction of the C- followed by the O-centered naphthyl radicals with the more electron-deficient hypervalent bond of the diaryliodonium(III) salts is described. This discovered reactivity constitutes a new activation mode of the diaryliodonium(III) salts which enabled a one-pot
Microwave-enhanced triton B catalyzed Suzuki coupling reaction
Meshram, H. M.; et al.
Indian J. Chem. B, 51, 362-365 (2012)
J J Li et al.
Journal of medicinal chemistry, 39(9), 1846-1856 (1996-04-26)
A novel series of terphenyl methyl sulfones and sulfonamides have been shown to be highly potent and selective cyclooxygenase-2 (COX-2) inhibitors. The sulfonamide analogs 17 and 21 were found to be much more potent COX-2 inhibitors and orally active anti-inflammatory
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