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Chemical Structure| 859026-99-6 Chemical Structure| 859026-99-6

Structure of 859026-99-6

Chemical Structure| 859026-99-6

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Product Details of [ 859026-99-6 ]

CAS No. :859026-99-6
Formula : C11H11F3O2
M.W : 232.20
SMILES Code : O=C(C1C=C(C(F)(F)F)C(C)=CC=1)OCC

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Application In Synthesis of [ 859026-99-6 ]

* 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 [ 859026-99-6 ]

[ 859026-99-6 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 261952-01-6 ]
  • [ 64-17-5 ]
  • [ 859026-99-6 ]
YieldReaction ConditionsOperation in experiment
With sulfuric acid; for 23h;Heating / reflux; A solution of commercially available <strong>[261952-01-6]4-methyl-3-trifluoromethylbenzoic acid</strong> (24.5 g, 120mmol) and cone, sulfuric acid (6.5 ml) in dry ethanol (245 ml) is refluxed for 23h. Afterreaching room temperature the solvent is evaporated and the residue is neutralized by addition of saturated aqueous NaHCO3 solution. The mixture is extracted with ethyl acetate (3x 40 ml). The organic extracts are combined, dried over Na2SO4 and evaporated to dryness to afford a pale yellow oil: HPLC: tR = 7.15 min (purity: > 96percent, gradient A), ESI-MS: 233.3 [MH]+.
With sulfuric acid;Reflux; Inert atmosphere; Intermediate 19: Ethyl 4-methyl-3-(trifluoromethyl)benzoate; To a slight suspension of <strong>[261952-01-6]4-methyl-3-(trifluoromethyl)benzoic acid</strong> (2.18 g, 10.7 mmol, ABCR) in ethanol (30 ml) was added concentrated sulphuric acid specific gravity 1.84 (0.5 ml, 9.38 mmol). The resulting solution was heated to reflux overnight under nitrogen. The solution was diluted with DCM (100 ml) and then water (100 ml). The phases were separated and the organic extract washed with saturated aqueous sodium hydrogen carbonate (50 ml), dried (MgSO4), filtered and the solvent removed in vacuo to give the title compound as a mobile pale yellow oil(2.27 g).; LCMS: (System 4) MH+= 233, tRET = 3.29 min.
 

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