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Potassium Iodide → N-(5,5-diethoxy-1,1,1-trifluoro-pent-3-yn-2-ylidene)-4-methoxyaniline

HRID 1503100
Notes
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Reaction equation

HRID 1503100 reaction equation
[F:1][C:2]([F:15])([F:14])[C:3](Cl)=[N:4][C:5]1[CH:10]=[CH:9][C:8]([O:11][CH3:12])=[CH:7][CH:6]=1.[CH2:16]([O:18][CH:19]([O:22][CH2:23][CH3:24])[C:20]#[CH:21])[CH3:17].P([O-])([O-])([O-])=O.[K+].[K+].[K+].[I-].[K+]>C(#N)C.[Cu]I.O>[CH2:16]([O:18][CH:19]([O:22][CH2:23][CH3:24])[C:20]#[C:21][C:3](=[N:4][C:5]1[CH:10]=[CH:9][C:8]([O:11][CH3:12])=[CH:7][CH:6]=1)[C:2]([F:15])([F:14])[F:1])[CH3:17]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 4875Potassium IodideHCID 62657Potassium Phosphate, TribasicHCID 662853,3-DiethoxypropyneHCID 104216822,2,2-Trifluoro-N-(4-methoxyphenyl)acetimidoyl Chloride

Product 1

HCID 86723351N-(5,5-diethoxy-1,1,1-trifluoro-pent-3-yn-2-ylidene)-4-methoxyaniline

Reagents, catalysts & solvents 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Catalyst
HCID 962WaterSolvent
HCID 6342AcetonitrileSolvent

Conditions

Temperature
60 °C

Procedure

In a typical reaction, 2,2,2-trifluoro-N-(4-methoxyphenyl)acetimidoyl chloride and a slight excess of 3,3-diethoxyprop-1-yne are mixed with about 0.3 equivalents of copper (I) iodide and slight excesses of potassium phosphate and potassium iodide in anhydrous acetonitrile. The mixture is heated at about 60° C. under a nitrogen atmosphere until the reaction is complete. After cooling, an extraction solvent like a halogenated hydrocarbon is added to the mixture along with water. The organic layer is recovered, washed with brine and dried. The solvent is evaporated to provide crude N-(5,5-diethoxy-1,1,1-trifluoro-pent-3-yn-2-ylidene)-4-methoxyaniline.

Workup

  1. temperatureAfter cooling
  2. customThe organic layer is recovered
  3. washwashed with brine
  4. customdried
  5. customThe solvent is evaporated

Sources & evidence

ORD record
ord-29a1babea8234771aa4f00185501d85f
Source dataset
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09212141B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes