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Chemical Structure| 57676-50-3 Chemical Structure| 57676-50-3

Structure of 57676-50-3

Chemical Structure| 57676-50-3

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Product Details of [ 57676-50-3 ]

CAS No. :57676-50-3
Formula : C8H9BrN2O
M.W : 229.07
SMILES Code : O=C(NN)CC1=CC=C(Br)C=C1
MDL No. :MFCD02612352

Safety of [ 57676-50-3 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P264-P302+P352-P304+P340-P305+P351+P338-P332+P313-P337+P313

Application In Synthesis of [ 57676-50-3 ]

* 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 [ 57676-50-3 ]

[ 57676-50-3 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 40359-32-8 ]
  • [ 57676-50-3 ]
  • N'-(3-(allyloxy)benzylidene)-2-(4-bromophenyl)acetohydrazide [ No CAS ]
  • 2
  • [ 57676-50-3 ]
  • [ 174603-37-3 ]
  • (E)-2-(4-bromobenzyl)-5-(2-chloro-4-fluorostyryl)-1,3,4-oxadiazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
85% With trichlorophosphate; at 100℃;Sealed tube; <strong>[174603-37-3](E)-3-(2-chloro-4-fluorophenyl)acrylic acid</strong> I1 (1 mmol) and 2-(4-bromophenyl)acetohydrazide (1 mmol) were suspended in POCl3 (2 mL), and the mixture was heated by 100 C. overnight. After completion of the reaction, the solvent was evaporated and the residues were cooled down with 2N NaOH. The mixture was extracted with EtOAc and was washed with water. The organic layer was dried with MgSO4 and was concentrated. By purifying the crude residues were purified by column chromatography (n-hexane:ethyl acetate=5:1), I2 of a pale yellow solid was prepared (85%).
 

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