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Chemical Structure| 1198437-41-0 Chemical Structure| 1198437-41-0

Structure of 1198437-41-0

Chemical Structure| 1198437-41-0

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Product Details of [ 1198437-41-0 ]

CAS No. :1198437-41-0
Formula : C8H11FN2O2
M.W : 186.18
SMILES Code : O=C(C1=CC=NN1CCF)OCC
MDL No. :MFCD31615896

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Application In Synthesis of [ 1198437-41-0 ]

* 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 [ 1198437-41-0 ]

[ 1198437-41-0 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 762-51-6 ]
  • [ 5932-27-4 ]
  • [ 1198437-43-2 ]
  • [ 1198437-41-0 ]
YieldReaction ConditionsOperation in experiment
Intermediates 72 and 73Ethyl 1-(2-fluoroethyl)-1H-pyrazole-5-carboxylate and ethyl 1-(2-fluoroethyl)-1H- pyrazole-3-carboxylate To a solution of ethyl 1 H-pyrazole-3-carboxylate (0.77g) (available from ABCR) in acetonitrile (30ml) was added cesium carbonate (1.79g) and the mixture stirred for 5min when 1-fluoro-2-iodoethane (0.96g) was added and the mixture stirred at 200C for 18h.The mixture was evaporated and the residue taken up in water (30ml) and DCM (30ml) separated by hydrophobic frit and concentrated to ~5ml, placed on an SPE cartridge (5Og silica) and eluted with a gradient of ethyl acetate in cyclohexane to give the Ethyl 1-(2- fluoroethyl)-1 H-pyrazole-5-carboxylate (0.42g) as a colourless oil.LC/MS R1 2.09 min m/z 186 [MH+]. Method C and ethyl 1-(2-fluoroethyl)-1 H-pyrazole-3-carboxylate (g) as a colourless oilLC/MS R1 1.73 min m/z 186 [MH+]. Method C
 

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