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[ CAS No. 25236-64-0 ] {[proInfo.proName]}

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Cat. No.: {[proInfo.prAm]}
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Chemical Structure| 25236-64-0
Chemical Structure| 25236-64-0
Structure of 25236-64-0 * Storage: {[proInfo.prStorage]}
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Product Details of [ 25236-64-0 ]

CAS No. :25236-64-0 MDL No. :MFCD00025058
Formula : C3H5F3O3S Boiling Point : -
Linear Structure Formula :- InChI Key :ICECLJDLAVVEOW-UHFFFAOYSA-N
M.W : 178.13 Pubchem ID :556565
Synonyms :

Safety of [ 25236-64-0 ]

Signal Word:Danger Class:8
Precautionary Statements:P280-P305+P351+P338-P310 UN#:3265
Hazard Statements:H314 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 25236-64-0 ]

* 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.

  • Upstream synthesis route of [ 25236-64-0 ]
  • Downstream synthetic route of [ 25236-64-0 ]

[ 25236-64-0 ] Synthesis Path-Upstream   1~1

  • 1
  • [ 25236-64-0 ]
  • [ 95-56-7 ]
  • [ 106854-77-7 ]
YieldReaction ConditionsOperation in experiment
30%
Stage #1: With sodium hydroxide In N,N,N,N,N,N-hexamethylphosphoric triamide at 20℃;
Stage #2: at 140℃; for 5 h; Microwave radiation
A solution of bromophenol (3 g) in hexamethylphosphoramide (17.3 ml) is added dropwise to sodium hydroxide (1 equivalent) washed beforehand with ether. The medium is stirred at ambient temperature until gas evolution has ceased. After addition of 2,2,2-trifluoroethyl methanesulphonate (1.2 equivalents), the solution is irradiated under microwave radiation at 140° C. at atmospheric pressure for 5 hours. The reaction medium is subsequently diluted with 150 ml of diethyl ether and washed with water. The organic phase is dried over sodium sulphate, filtered and then concentrated under reduced pressure. Chromatography of the residue on silica gel (cyclohexane 100percent) makes it possible to isolate 1.28 g of the expected product. Yield: 30percent 1H NMR (CDCl3) δ (ppm): 7.40 (d, 2H), 6.81 (d, 2H), 4.32 (m, 2H)
Reference: [1] Patent: US2004/72871, 2004, A1, . Location in patent: Page/Page column 23
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