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Chemical Structure| 89891-77-0 Chemical Structure| 89891-77-0

Structure of 89891-77-0

Chemical Structure| 89891-77-0

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Product Details of [ 89891-77-0 ]

CAS No. :89891-77-0
Formula : C8H4Br2N2O2
M.W : 319.94
SMILES Code : O=C1NC2=C(C=C(Br)C(Br)=C2)NC1=O
MDL No. :MFCD27931818
InChI Key :FVXPGHAWNRHHJD-UHFFFAOYSA-N
Pubchem ID :15021835

Safety of [ 89891-77-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P362-P403+P233-P501

Application In Synthesis of [ 89891-77-0 ]

* 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 [ 89891-77-0 ]

[ 89891-77-0 ] Synthesis Path-Downstream   1~2

  • 1
  • [ 615-55-4 ]
  • [ 89891-77-0 ]
  • 2
  • [ 615-55-4 ]
  • [ 179061-90-6 ]
  • [ 89891-77-0 ]
YieldReaction ConditionsOperation in experiment
13.0 g (94%) With trifluoroacetic anhydride; Preparation of 6,7-Dibromo-1,4-dihydro-2,3-quinoxalinedione (Method D) 3,4-Dibromo-(trifluoroacetamido)benzene. To 30 mL of trifluoroacetic anhydride (Aldrich used as received) was added 10.0 g (39.8 mmol) of <strong>[615-55-4]3,4-dibromoaniline</strong> (Lancaster, used as received) in portions at 0 C. with stirring. The resultant mixture was stirred at room temperature for 2.5 h, then poured into ice-H2 O (about 300 mL) with stirring. The solid was collected by vacuum filtration, washed with H2 O (5*20 mL), and dried at 40 C. under 1 mmHg for 16 h to give 13.0 g (94%) of 3,4-dibromo-(trifluoroacetamido)benzene as an off-white powder, which was used for the next reaction without further purification. 1 H NMR (DMSO-d6): 11.474 (s, 1H), 8.098 (s, 1H), 7.935 (d, 1H, J=8.7 Hz), 7.607 (d, 1H, J=8.7 Hz).
 

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