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Chemical Structure| 51516-69-9 Chemical Structure| 51516-69-9

Structure of 51516-69-9

Chemical Structure| 51516-69-9

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Product Details of [ 51516-69-9 ]

CAS No. :51516-69-9
Formula : C10H9FN4O
M.W : 220.20
SMILES Code : O=C(C1=C(N)N(C2=CC=C(F)C=C2)N=C1)N
MDL No. :MFCD00102728

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Application In Synthesis of [ 51516-69-9 ]

* 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 [ 51516-69-9 ]

[ 51516-69-9 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 51516-70-2 ]
  • [ 51516-69-9 ]
YieldReaction ConditionsOperation in experiment
With sulfuric acid; at 0 - 25℃; for 2h; 5-Amino-i -(4-fluorophenyl)-i H-pyrazole-4-car- boxamide (Step 1, 900 mg, 4.45 mmol) was added dropwise to sulfuric acid (10 mE) at 0 C. The resulting solution was stirred for 2 hat 25 C. The pH of the solution was adjusted to 8 by the addition of sodium carbonate (10% aqueous). The resulting mixture was extracted with dichloromethane (4x50 mE) and the organic layers were combined, dried over anhydrous sodium sulfate, filtered and concentrated under vacuum to provide 5-amino-i -(4-fluorophenyl)- 1H-pyrazole-4-car- boxamide which was used in Step 3 without further purification. ECMS: (ESI) mlz 221 [M+H].
 

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