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Chemical Structure| 64328-67-2 Chemical Structure| 64328-67-2

Structure of 64328-67-2

Chemical Structure| 64328-67-2

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Product Details of [ 64328-67-2 ]

CAS No. :64328-67-2
Formula : C11H13BrO
M.W : 241.12
SMILES Code : O=C(C1=CC=C(CCC)C=C1)CBr
MDL No. :MFCD11131363

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Application In Synthesis of [ 64328-67-2 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 64328-67-2 ]

[ 64328-67-2 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 2932-65-2 ]
  • [ 64328-67-2 ]
YieldReaction ConditionsOperation in experiment
44% With copper(ll) bromide; In ethyl acetate; for 8h;Reflux; To a solution of CuBr2 (6.88 g, 0.031 mol) in EtOAc(20 mL), 1-(4-propylphenyl) ethanone (2.00g, 0.012 mol) was added, and the mixture was refluxed for 8 h. The solid residue wasremoved by filtration. The solvent was washed with 5% H3PO4, water and brine, while theorganic layer was dried over Na2SO4. The crude residue was isolated using silica gelchromatography and was eluted with PE/ CH3COCH3 (v:v=200:1) to give2-bromo-<strong>[2932-65-2]1-(4-propylphenyl)ethanone</strong> in a yield of 44%. Then 4-aminobenzoic acid (0.50 g,3.65 mmol) was added to a solution of 2-bromo-<strong>[2932-65-2]1-(4-propylphenyl)ethanone</strong> (0.88 g, 3.65mmol) in EtOH (20 mL), and the solution was stirred at room temperature overnight. Theprecipitated solid was obtained by filtration to give 8b as yellow solid in a yield of 20%.
4.7 g With bromine; In chloroform; at 0℃; for 0.5h; To the stirred solution of <strong>[2932-65-2]4-propyl acetophenone</strong> (5.0 g, 30.0 mmol) in CHC13 (50 mL) was added bromine (4.9 g, 30.0 mmol) in CHC13 (10 mL) at 0 C and the mixture was stirred for another 30 mm at the same temperature. The reaction was monitored by TLC and aftercompletion of the reaction, sodium thiosulphate solution was added and was then subjected to a standard CH2C12 work-up to yield crude residue which was purified by column chromatography on silica gel using hexane: ethyl acetate (9: 1) to give 4.7 g of the desired product as a liquid.
With copper(ll) bromide; In ethyl acetate; for 8h;Reflux; Copper bromide (6.88g, 0.031mol), 1-(4-propylphenyl) ethanone (2g, 0.012mol) was added to ethyl acetate (20mL) and refluxed for 8 hours.After the reaction, the solution was cooled to room temperature, and the solid residue was removed by filtration. The filtrate was washed with 5% phosphoric acid solution, distilled water, and brine. The organic layer was dried over anhydrous sodium sulfate, filtered, and the organic solvent was spin-dried under reduced pressure. The residue was subjected to silica gel column chromatography Purification, petroleum ether: acetone (v: v = 200: 1) to give crude product 2-bromo-1- (4-propylphenyl) ethanone (27-1), yield 44%.The obtained 2-bromo-1- (4-propylphenyl) ethanone (0.88g, 3.65mmol) and 4-aminobenzoic acid (0.5g, 3.65mmol) were added to 20mL ethanol solution and reacted at room temperature overnight And filtered to obtain a yellow solid with a yield of 20%.
 

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