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Chemical Structure| 842136-32-7 Chemical Structure| 842136-32-7

Structure of 842136-32-7

Chemical Structure| 842136-32-7

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Product Details of [ 842136-32-7 ]

CAS No. :842136-32-7
Formula : C9H6BrF3O2
M.W : 283.04
SMILES Code : O=C(OC)C1=CC(Br)=CC=C1C(F)(F)F
MDL No. :MFCD14697999
InChI Key :NAYMMKZHAIWOSK-UHFFFAOYSA-N
Pubchem ID :46311088

Safety of [ 842136-32-7 ]

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

Application In Synthesis of [ 842136-32-7 ]

* 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 [ 842136-32-7 ]

[ 842136-32-7 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 5683-31-8 ]
  • [ 842136-32-7 ]
  • 5-bromo-2-(trifluoromethyl)-N'-(3-(trimethylsilyl)propionoyl)benzohydrazide [ No CAS ]
YieldReaction ConditionsOperation in experiment
25.1% The compound obtained in Example 134-1 (1.214 g, 4.29 mmol) was dissolved in ethanol (0.7 ml). Thereto hydrazine monohydrate (0.624 ml, 12.87 mmol) was added. And the mixture was stirred for 2 hours at 100 microwave irradiation. After the reaction, the solvent was evaporated.3- (trimethylsilyl) propylPhosphate (610 mg, 4.29 mmol) was dissolved in dichloromethane (6 ml). Oxalyl chloride thereto (0.386 ml, 4.50 mmol), and stirred for 2 hours at room temperature by addition of DMF (2 drops).Hydrazide synthesized in the above-mentioned thereAnd stirred overnight at room temperature was added triethylamine (0.658 ml, 4.72 mmol). After the reaction was washed with saturated brine by the addition of chloroform. Dried with magnesium sulfate, and the solvent was evaporated. The residue was purified by silica gel column chromatography (SNAP Ultra 50 g, hexane / ethyl acetate) to give the title compound (439 mg, 25.1%) as a white solid.
 

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