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Trifluoroiodomethane → Ethyl 3-trifluoromethyl-4-cyclohexylphenylglyoxylate

HRID 26547
Notes
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Reaction equation

HRID 26547 reaction equation
Br[C:2]1[CH:3]=[C:4]([C:14](=[O:20])[C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH:5]=[CH:6][C:7]=1[CH:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1.[F:21][C:22](I)([F:24])[F:23]>[Cu].CN(C)C=O>[F:21][C:22]([F:24])([F:23])[C:2]1[CH:3]=[C:4]([C:14](=[O:20])[C:15]([O:17][CH2:18][CH3:19])=[O:16])[CH:5]=[CH:6][C:7]=1[CH:8]1[CH2:13][CH2:12][CH2:11][CH2:10][CH2:9]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 16843TrifluoroiodomethaneHCID 20515211Ethyl 3-bromo-4-cyclohexylphenylglyoxylate

Product 1

HCID 20515217Ethyl 3-trifluoromethyl-4-cyclohexylphenylglyoxylate

Reagents, catalysts & solvents 2

HCID 23978CopperCatalystHCID 6228DimethylformamideSolvent

Conditions

Temperature
140 °C

Procedure

To a solution of 0.01 moles of ethyl 3-bromo-4-cyclohexylphenylglyoxylate in 50 ml. of dimethylformamide is added 0.15 moles of trifluoromethyl iodide and 0.02 g. of copper powder. The reaction is shaken in a sealed tube for 5 hours at 140° C., cooled, and then filtered and evaporated in vacuo. 200 ml. of water is added to the residue and extracted with ether. The ether extract is dried, evaporated to dryness and distilled to obtain ethyl 3-trifluoromethyl-4-cyclohexylphenylglyoxylate.

Workup

  1. temperaturecooled
  2. filtrationfiltered
  3. customevaporated in vacuo
  4. additionof water is added to the residue
  5. extractionextracted with ether
  6. extractionThe ether extract
  7. customis dried
  8. customevaporated to dryness
  9. distillationdistilled

Sources & evidence

ORD record
ord-7f4751860a6142bd9aa4143a13043a90
Source dataset
uspto-grants-1979_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04150148

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes