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Chemical Structure| 26717-84-0 Chemical Structure| 26717-84-0

Structure of 26717-84-0

Chemical Structure| 26717-84-0

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Product Details of [ 26717-84-0 ]

CAS No. :26717-84-0
Formula : C7H9F3O3
M.W : 198.14
SMILES Code : O=C(OCC)/C=C(OC)/C(F)(F)F
MDL No. :MFCD08447359

Safety of [ 26717-84-0 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 26717-84-0 ]

* 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 [ 26717-84-0 ]

[ 26717-84-0 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 26717-84-0 ]
  • [ 2365-48-2 ]
  • [ 157162-16-8 ]
YieldReaction ConditionsOperation in experiment
71% With potassium hydroxide; In methanol; EXAMPLE 7 Preparation of Methyl 3-Hydroxy-5-trifluoromethyl-2-thiophenecarboxylate STR21 A solution of ethyl 3-methoxy-4,4,4-trifluoro-2-buteneoate (48.45 g, 0.245 mol) and methyl thioglycolate (25.95 g, 0.245 mole) in methanol is treated dropwise with 300 mL, 1M KOH/methanol over a 45 minute period at 35-42 C. (external cooling is used to control exotherm) and stirred at ambient temperatures until reaction is complete by GC analysis. The resultant reaction mixture is poured onto ice water, acidified with 6N H2 SO4 to pH 2 and extracted with ethyl acetate. The ethyl acetate extracts are combined, washed sequentially with saturated NaHCO3 and brine, dried over MgSO4 and concentrated in vacuo to give a pale yellow liquid residue. The residue is vacuum distilled to give the title product as a clear liquid, 39.06 g (71% yield), bp 42-45 C./0.10 mm Hg, identified by 1 H-NMR, 13 C-NMR and 19 FNMR analyses.
 

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