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ChemicalBook CAS DataBase List 2-HYDROXYACETOPHENONE
582-24-1

2-HYDROXYACETOPHENONE synthesis

13synthesis methods
Add 20 mmol of 48% hydrobromic acid to a 500 mL three-necked flask containing 20 mmol of styrene and 100 mL of water at room temperature, and slowly add 200 mmol of . 30% hydrogen peroxide, control the drip time for 30min, stir at room temperature for 30m
-

Yield:582-24-1 82%

Reaction Conditions:

with tetra-(n-butyl)ammonium iodide in acetonitrile;tert-butyl alcohol at 120; for 24 h;

Steps:

1 Example 1: Synthesis of -hydroxyacetophenone
To 25 mL pressure reaction tube was added acetonitrile 2mL,Benzaldehyde (31.8 mg, 0.3 mmol),Paraformaldehyde (27.0mg, 0.9 mmol),Tert-Butyl alcohol (83 mg, 2.0 eq.),Tetrabutylammonium iodide (22 mg, 0.2 eq.),The reaction was stirred magnetically in a 120 ° C oil bath for 24 hours.After the reaction was over, most of the solvent was distilled off under reduced pressure,The remaining mixture was separated by column chromatography using petroleum ether / ethyl acetate (10: 1)Get the desired product, a white solid,33.5 mg,Yield 82%

References:

Lishui College;Yan Guobing;Yu Jian;Wang Lianggui CN105061166, 2017, B Location in patent:Paragraph 0014; 0015; 0016

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