ChemicalBook >?? ???? >?? ??>?? ??>4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane
4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane
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4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane ??
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- 174.0 to 178.0 °C
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- 544.9±19.0 °C(Predicted)
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- 1.16±0.1 g/cm3(Predicted)
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- Sealed in dry,Room Temperature
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- powder to crystal
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- White to Orange to Green
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| HS ?? | 2931900090 |
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4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane C??? ??, ??, ??
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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
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°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
4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane ?? ?? ? ???
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4,4,5,5-TetraMethyl-2-(3-triphenylen-2-yl-phenyl)-[1,3,2]dioxaborolane ?? ??
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