good producer best quality 49851-31-2 2-BROMO-1-PHENYL-PENTAN-1-ONE

good producer best quality 49851-31-2 2-BROMO-1-PHENYL-PENTAN-1-ONE

Min.Order / FOB Price:Get Latest Price

1 Gram	FOB Price:USD 73.0000 -86.0000

1 Gram

FOB Price:USD 73.0000 -86.0000

Min.Order :1 Gram
Purity: ≧ 99.99%
Payment Terms : L/C,D/A,D/P,T/T,Other

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good producer 49851-31-2 best quality 49851-31-2 2-BROMO-1-PHENYL-PENTAN-1-ONE 49851-31-2

Quick Details

Appearance: powder
Application:It can be used as pharmaceutical intermediates.
PackAge: according to your request
ProductionCapacity:200 tons|Metric Ton|Week
Storage:Store in a cool and dry place
Transportation: according to your request

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good producer best quality 49851-31-2 2-BROMO-1-PHENYL-PENTAN-1-ONE

2-Bromo-1-phenyl-1-pentanone is a white crystalline powder, a derivative of valerone. Can be used as pharmaceutical intermediates.

Preparation

At room temperature, add 16.2g (0.1mol) of phenylpentanone and 30.9g (0.3mol) of sodium bromide into a 500mL round-bottomed flask. After stirring evenly, add 24g (0.2mol) of 30% hydrochloric acid and drip slowly.
Add 19g (0.15mol) 30% hydrogen peroxide. After the dropping, continue the reaction for 1~2h. After the reaction is monitored by TLC, stop stirring, stand still for layering, wash with saturated sodium carbonate and saturated brine, and combine the organic phases. After concentration, it is dried over anhydrous magnesium sulfate to obtain 2-bromo-1-phenyl-1-pentanone, a bright yellow oily liquid, with a yield of 95% and a purity of 98% (HPLC method).

good producer 49851-31-2

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