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890042-13-4

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890042-13-4 Structure

890042-13-4 Structure
IdentificationBack Directory
[Name]

4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane
[CAS]

890042-13-4
[Synonyms]

(Triphenylen-2-yl)boronic acid pinacol ester
(Triphenylene-2-yl) boronic acid pinacol ester
1,3, 2-Dioxaborane-4,4,5,5-tetramethyl-2-(2-triphenylene)
2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)triphenylene
4,4,5,5-TetraMethyl-2-triphenylen-2-yl-[1,3,2]dioxaborolane
1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(2-triphenylenyl)-
4,4,5,5-TetraMethyl-2-triphenylen-2-yl-[1,3,2]dioxaborolane (TPE)
4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane
[Molecular Formula]

C24H23BO2
[MDL Number]

MFCD26401844
[MOL File]

890042-13-4.mol
[Molecular Weight]

354.249
Chemical PropertiesBack Directory
[Melting point ]

174.0 to 178.0 °C
[Boiling point ]

544.9±19.0 °C(Predicted)
[density ]

1.16±0.1 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
[form ]

powder to crystal
[color ]

White to Orange to Green
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P280-P301+P312-P302+P352-P305+P351+P338
[HS Code ]

2931900090
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Bis(pinacolato)diboron-->2-bromobenzo[9,10]phenanthrene
[Preparation Products]

2-(3-Bromophenyl)triphenylene
Hazard InformationBack Directory
[Uses]

4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly for laboratory research and development Process and chemical production process.
[Synthesis]

Synthesis_890042-13-4
In a nitrogen atmosphere, 100 g (326 mmol) of 2-bromotriphenylene was dissolved in dimethylformamide(Pinacolato diboron) 99.2 (manufactured by Wako Pure Chemical Industries, Ltd.) was dissolved in 1,000 mL of dimethylformamide (DMF)G (391 mmol) and 1,1'-bis (diphenylphosphine) ferrocene) dichloropalladium (II) (1,1-Bis (diphenylphosphine) ferrocene) dichloropalladium (II)) 2.66 g (3.26 mmol) and potassium acetate 80 g (815 mmol) of potassium acetate were added and the mixture was refluxed by heating at 150 DEG C for 5 hours. After completing the reaction,Water was added to the solution, the mixture was filtered, and then dried in a vacuum oven. The thus obtained residue was purified by flash column chromatographyTo obtain 113 g (98%) of the compound I-1. HRMS (70 eV, EI +): m / z Calcd for C24H23BO2: 354.1791, found
Spectrum DetailBack Directory
[Spectrum Detail]

4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane(890042-13-4)1HNMR
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