4-Acetylphenylboronic acid
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4-Acetylphenylboronic acid
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CAS No:
149104-90-5
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Formula:
C8H9BO3
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Chemical Name:
4-Acetylphenylboronic acid
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Synonyms:
Boronic acid,B-(4-acetylphenyl)-;Boronic acid,(4-acetylphenyl)-;B-(4-Acetylphenyl)boronic acid;4-Acetylphenylboronic acid;4-Acetylbenzeneboronic acid;p-Acetylphenylboronic acid
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CAS No:
Characteristics
57.5
-0.43100
Pale yellow to yellow Crystalline Powder
1.19±0.1 g/cm3(Predicted)
231-233 °C @ Solvent: Toluene
354.2±44.0 °C(Predicted)
168.0±28.4 °C
1.536
25 g/L
Keep Cold
1.25E-05mmHg at 25°C
Safety Information
IRRITANT
NONH for all modes of transport
3
36/37/38
26-36-37/39
Xi
Irritant/Keep Cold
P261-P305 + P351 + P338
H315-H319-H335
4-Acetylphenylboronic acid Use and Manufacturing
General procedure: The appropriate racemic alcohol (0.5 mmol) diluted in dimethylformamide (2 mL) was added under sterile conditions into 500 mL Erlenmeyer flask containing 8.2 g of wet cells resuspended in 100 mL phosphate buffer solution (pH 7.0, 100 mmol/L). The reaction was maintained at 20 °C and 400 rpm, for 120 h. The reaction mixture was extracted for 24 h using a continuous liquid–liquid extractor with dichloromethane (300 mL). The organic layer was dried over MgSOIn the air, 25 ml reaction flask by sequentially adding ferrous iodide (0.05mmol), ene 1v (0.5mmol), three (three trimethylsiloxy) silane (2.0mmol), cyclopentanol (2.0 ml). After mixing at room temperature, the reaction mixture is 80 °C lower reaction 24h. The end of the reaction, adding ammonia water (0.5 ml), and stirring 1h. Then, the addition of water 5 ml, and extraction with ethyl ether (5 ml × 3), the combined organic phase, pressure reducing evaporate the solvent column chromatography separation to obtain yield 89percent.
suzuki reaction
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