ChemicalBook--->CAS DataBase List--->912844-88-3

912844-88-3

912844-88-3 Structure

912844-88-3 Structure
IdentificationBack Directory
[Name]

3-Biphenylboronic acid pinacol ester
[CAS]

912844-88-3
[Synonyms]

3-Biphenylboronic acid pinacol ester
Biphenyl-3-boronic Acid Pinacol Ester
1,1`-BIPHENYL]-3-YLBORONIC ACID PINACOL ESTER
3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)biphenyl
-biphenyl]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
4,4,5,5-tetramethyl-2-(3-phenylphenyl)-1,3,2-dioxaborolane
1,3,2-Dioxaborolane,2-[1,1'-biphenyl]-3-yl-4,4,5,5-tetramethyl-
2-([1,1'-Biphenyl]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
[Molecular Formula]

C18H23BO3
[MDL Number]

MFCD18452169
[MOL File]

912844-88-3.mol
[Molecular Weight]

298
Chemical PropertiesBack Directory
[Melting point ]

82 °C
[Boiling point ]

412.7±24.0 °C(Predicted)
[density ]

1.05±0.1 g/cm3(Predicted)
[storage temp. ]

under inert gas (nitrogen or Argon) at 2-8°C
[form ]

powder to crystal
[color ]

White to Almost white
[CAS DataBase Reference]

912844-88-3
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[HS Code ]

2931.90.6000
Hazard InformationBack Directory
[Uses]

suzuki reaction
[Synthesis]

3-Bromobiphenyl

2113-57-7

Bis(pinacolato)diboron

73183-34-3

3-Biphenylboronic acid pinacol ester

912844-88-3

Synthesis Example 8: Synthesis of Intermediates I-8 3-Bromo-1,1 '-biphenyl (20 g, 85.8 mmol) was dissolved in dimethylformamide (DMF) (1 L) under nitrogen protection, and bis(pinacolato)diboron (26 g, 103 mmol), [1,1'-bis(diphenylphosphino)ferrocene]palladium(II) dichloride (0.7 g, 0.85 mmol), and potassium acetate (58 g 595 mmol). The reaction mixture was heated to 150 °C and refluxed for 5 hours. After completion of the reaction, water was added to the reaction solution, the mixture was filtered and dried in a vacuum oven. The resulting residue was separated and purified by fast column chromatography to afford the target compound I-8 (20 g, 85% yield). High resolution mass spectrometry (HRMS, 70 eV, EI+): the calculated m/z value for C18H21B2O was 280.1635 and the measured value was 280. Elemental analysis results: C, 77%; H, 7%.

[References]

[1] Patent: US2017/331067, 2017, A1. Location in patent: Paragraph 0212-0215
Spectrum DetailBack Directory
[Spectrum Detail]

3-Biphenylboronic acid pinacol ester(912844-88-3)1HNMR
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