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Chemical Structure| 1160561-22-7 Chemical Structure| 1160561-22-7

Structure of 1160561-22-7

Chemical Structure| 1160561-22-7

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Product Details of [ 1160561-22-7 ]

CAS No. :1160561-22-7
Formula : C10H14BBrO2
M.W : 256.93
SMILES Code : OB(C1=C(CC)C=C(Br)C=C1CC)O

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* 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 [ 1160561-22-7 ]

[ 1160561-22-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 121-43-7 ]
  • [ 175278-30-5 ]
  • [ 1160561-22-7 ]
YieldReaction ConditionsOperation in experiment
Step 2: Preparation of 4-bromo-2,6-diethylphenylboronic acidTo a solution of 4-bromo-2,6-diethyl-1-iodobenzene (1O g, 0.029 mol) in tetrahydrofuran (100 ml) at -75 °C is added n-butyl lithium (1.6 M in hexanes, 22.2 ml, 0.035 mol) dropwise maintaining the temperature of the reaction mixture below -70 0C. When the addition is complete the mixture is stirred at -75 °C for an additional 30 minutes and then trimethyl borate (17.98 g, 0.17 mol) is added dropwise. After the addition is complete the reaction is stirred at -75 0C for 1 hour, then allowed to come to room temperature and stirred for 2 hours, followed by cooling in an ice bath and acidification with 0.5 N aqueous hydrochloric acid. The mixture is extracted with ethyl acetate (3 x 300 ml) and the organic fractions are combined, washed with brine, dried over anhydrous sodium sulphate. The mixture is filtered and the filtrate is evaporated under reduced pressure. The residue is purified by column chromatography on silica gel to give 4-bromo-2,6- diethylphenylboronic acid ( 5 g) as a white solid.
 

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