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521418

Sigma-Aldrich

4-Cyanophenylboronic acid

≥95%

Synonym(s):

(p-Cyanophenyl)boronic acid, 4-Cyanobenzeneboronic acid, 4-Cyanophenylboric acid

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About This Item

Linear Formula:
NCC6H4B(OH)2
CAS Number:
126747-14-6
Molecular Weight:
146.94
MDL number:
MFCD01318968
UNSPSC Code:
12352103
PubChem Substance ID:
24874205
NACRES:
NA.22

Assay

≥95%

mp

>350 °C (lit.)

functional group

nitrile

SMILES string

OB(O)c1ccc(cc1)C#N

InChI

1S/C7H6BNO2/c9-5-6-1-3-7(4-2-6)8(10)11/h1-4,10-11H

InChI key

CEBAHYWORUOILU-UHFFFAOYSA-N

Application

4-Cyanophenylboronic acid can be used as a reactant in:
  • Palladium-catalyzed Suzuki-Miyaura cross-coupling in water.
  • Ruthenium catalyzed direct arylation of benzylic sp3 carbons of acyclic amines with arylboronates.
  • Ligand-free copper-catalyzed coupling of nitro arenes with arylboronic acids.
  • Ferric perchlorate-promoted reaction of fullerenes with various arylboronic acids to give fullerenyl boronic esters.
  • Phosphine-free Suzuki-Miyaura cross-coupling.
  • Palladacycles as effective catalysts for multicomponent reaction with allylpalladium-intermediates.
  • Chan-Lam-type Cu-catalyzed S-arylation of thiols.
  • Regioselective cross-coupling reactions under modfied Suzuki and Still cross-coupling reactions with copper catalysis.
  • Metal-free biaryl coupling reaction in the presence of dimethyl carbonate as a solvent.
  • Suzuki-type cross-coupling reaction with pentavalent triarylantimony diacetates in the absence of a base.

It can also be used to prepare:
  • Himbacine analogs as thrombin receptor antagonists and potential antiplatelet agents.
  • Trisulfonated calixarene upper-rim sulfonamido and their complexation with trimethyllysine epigenetic mark.
  • Antimalarial compounds via Suzuki cross-coupling.
  • Deoxyuridine derivatives.
Reactant involved in:
  • Oxidative hydroxylation
  • Trifluoromethylation
  • 1,4-Addition reactions

Precursor in the synthesis of inhibitors such as:
  • Tpl2 kinase inhibitors
  • P2X7 antagonists used in the treatment of pain

Other Notes

Contains varying amounts of anhydride

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCJ1658
MKBS8580V
MKBL8598V
SHBB1432V
04496BK

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Mohamed A Ismail et al.
Journal of medicinal chemistry, 47(14), 3658-3664 (2004-06-25)
2-[5-(4-Amidinophenyl)-furan-2-yl]-5,6,7,8-tetrahydro-imidazo[1,2-a]pyridine-6-carboxamidine acetate salt (7) was synthesized from 2-[5-(4-cyanophenyl)-furan-2-yl]-imidazo[1,2-a]pyridine-6-carbonitrile (4a), through the bis-O-acetoxyamidoxime followed by hydrogenation in glacial acetic acid. Compound 4a was obtained in four steps starting with two successive brominations of 2-acetylfuran first with N-bromosuccinimide, and second with bromine
A mild and efficient new synthesis of aryl sulfones from boronic acids and sulfinic acid salts
Christian Beaulieu, et al.
Tetrahedron Letters, 45, 3233-3236 (2004)
Discovery of nor-seco himbacine analogs as thrombin receptor antagonists
Chelliah, M. V.; et al.
Bioorganic & Medicinal Chemistry, 22, 2544-2549 (2012)
Palladacycles: Effective catalysts for a multicomponent reaction with allylpalladium(II)-intermediates
Shiota, A.; Malinakova, H. C.
Journal of Organometallic Chemistry, 704, 9-16 (2012)
Suzuki-type cross-coupling reaction of pentavalent triarylantimony diacetates with arylboronic acids without a base
Shuji Yasuike, et al.
Tetrahedron Letters, 48, 721-724 (2007)
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