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Chemical Structure| 911312-71-5 Chemical Structure| 911312-71-5

Structure of 911312-71-5

Chemical Structure| 911312-71-5

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Product Details of [ 911312-71-5 ]

CAS No. :911312-71-5
Formula : C12H11ClN2O2
M.W : 250.68
SMILES Code : O=C(OCC)C1=CC=C(N2N=CC=C2)C(Cl)=C1

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Application In Synthesis of [ 911312-71-5 ]

* 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 [ 911312-71-5 ]

[ 911312-71-5 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 288-13-1 ]
  • [ 137521-81-4 ]
  • [ 911312-71-5 ]
YieldReaction ConditionsOperation in experiment
With potassium carbonate; In N,N-dimethyl-formamide; at 20 - 120℃; for 1.0h; Reference example 2-1 Ethyl 3-chloro-4-pyrazol-1-ylbenzoate To a suspension of <strong>[137521-81-4]ethyl 3-chloro-4-fluorobenzoate</strong> (0.500 g) and potassium carbonate (0.682 g) in N,N-dimethylformamide (5.0 mL) was added 1H-pyrazole (0.185 g) at room temperature and this mixture was stirred at 120 C for an hour. To the reaction mixture were added water and ethyl acetate. The organic layer was separated and the aqueous layer was extracted with ethyl acetate. The combined organic layer was washed with water and brine, dried over anhydrous magnesium sulfate. After filtration, the filtrate was concentrated under reduced pressure. The obtained crude product was purified by column chromatography on silica gel (eluent:ethyl acetate-hexane) to give ethyl 3-chloro-4-pyrazol-1-ylbenzoate (0.474 g). 1H-NMR(CDCl3) delta ppm: 1.43 (3H, t, J=7.1 Hz), 4.42 (2H, q, J=7.1Hz), 6.50-6.60 (1H, m), 7.74 (1H, d, J=8.3Hz), 7.78 (1H, d, J=1.7Hz), 8.00-8.10 (2H, m), 8.21 (1H, d, J=1.7Hz).
 

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