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480142

Sigma-Aldrich

4-Phenoxyphenylboronic acid

≥95.0%

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About This Item

Linear Formula:
C6H5OC6H4B(OH)2
CAS Number:
Molecular Weight:
214.02
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥95.0%

mp

141-145 °C (lit.)

functional group

phenoxy

SMILES string

OB(O)c1ccc(Oc2ccccc2)cc1

InChI

1S/C12H11BO3/c14-13(15)10-6-8-12(9-7-10)16-11-4-2-1-3-5-11/h1-9,14-15H

InChI key

KFXUHRXGLWUOJT-UHFFFAOYSA-N

Application

4-Phenoxyphenylboronic acid can be used as a reactant:
  • In the Suzuki-Miyaura coupling reaction to synthesize aryl derivatives via C-C bond formation by reacting with different aryl halides over a palladium catalyst.
  • To prepare 1-phenoxy-4-(trifluoromethyl)benzene via oxidative trifluoromethylation using Chan-Lam-type reaction conditions.
  • To synthesize evobrutinib, a potent Bruton′s tyrosine kinase (BTK) inhibitor.

Other Notes

Contains varying amounts of anhydride

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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Efficacy and pharmacodynamic modeling of the BTK inhibitor evobrutinib in autoimmune disease models
Haselmayer P, et al.
Journal of Immunology, 202(10), 2888-2906 (2019)
Room temperature aryl trifluoromethylation via copper-mediated oxidative cross-coupling
Senecal TD, et al.
The Journal of Organic Chemistry, 76(4), 1174-1176 (2011)
Pyrazolo [3, 4-d] pyrimidines containing an extended 3-substituent as potent inhibitors of Lck-a selectivity insight
Burchat AF, et al.
Bioorganic & medicinal chemistry letters, 12(12), 1687-1690 (2002)
Functionalization of pyrrolo [2, 3-d] pyrimidine by palladium-catalyzed cross-coupling reactions
Tumkevicius, S and Dodonova, J
Chemistry of Heterocyclic Compounds, 48(2), 258-279 (2012)
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Planta, 251(3), 73-73 (2020-03-07)
Endogenous auxin determines the pattern of adventitious shoot formation. Auxin produced in the dominant shoot is transported to the internodal segment and suppresses growth of other shoots. Adventitious shoot formation is required for the propagation of economically important crops and

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