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Chemical Structure| 70461-33-5 Chemical Structure| 70461-33-5

Structure of 70461-33-5

Chemical Structure| 70461-33-5

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Product Details of [ 70461-33-5 ]

CAS No. :70461-33-5
Formula : C11H15BrO4
M.W : 291.14
SMILES Code : COC1=C(OC)C=C(C(OC)OC)C(Br)=C1
MDL No. :MFCD16618939

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Application In Synthesis of [ 70461-33-5 ]

* 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 [ 70461-33-5 ]

[ 70461-33-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 118289-17-1 ]
  • [ 70461-33-5 ]
  • [ 186461-76-7 ]
YieldReaction ConditionsOperation in experiment
64% (3) To a solution of 2.91g of the compound obtained in the above (2) in 9mL of tetrahydrofuran was added dropwise 6.25mL of 1.6M n-butyl lithium-hexan solution under a nitrogen atmosphere under dry ice-acetone cooled condition, and the mixture was stirred at the same temperature for 30 minutes. To the reaction solution was added dropwise a solution of 1.86g of 2-bromo-4-formylpyridine in 9mL of tetrahydrofuran, and the mixture was stirred for 1 hour. To the reaction solution was added 30mL of saturated aqueous ammonium chloride solution, and the solution was extracted with 30mL of ethyl acetate. The aqueous layer was extracted with 30mL of ethyl acetate again, and the extracts were combined and washed with saturated saline, then dried over magnesium sulfate, and concentrated under reduced pressure. The residue was triturated with 100mL of chloroform and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel (solvent; n-hexan/ethyl acetate=3/1 to 1/1) to give 2.53g of 3,4-dimethoxy-6-(2-bromo-4-pyridyl)(hydroxy)methylbenzaldehyde dimethylacetal (yield: 64percent).
 

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