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Ethyl Acetate → 1,3,4,5-Tetrahydro-4-(methoxyphenyl)-3-(2-propenyl)-7-(trifluoromethyl)-2H-1-benzazepin-2-one

HRID 580400
Notes
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Reaction equation

HRID 580400 reaction equation
[I-].[Li+].COC([C:7]1([CH2:31][CH:32]=[CH2:33])[CH:13]([C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[O:20][CH3:21])[CH2:12][C:11]2[CH:22]=[C:23]([C:26]([F:29])([F:28])[F:27])[CH:24]=[CH:25][C:10]=2[NH:9][C:8]1=[O:30])=O.C(OCC)(=O)C>N1C=CC=CC=1.O>[CH3:21][O:20][C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][C:14]=1[CH:13]1[CH2:12][C:11]2[CH:22]=[C:23]([C:26]([F:27])([F:28])[F:29])[CH:24]=[CH:25][C:10]=2[NH:9][C:8](=[O:30])[CH:7]1[CH2:31][CH:32]=[CH2:33]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 8857Ethyl AcetateHCID 66321Lithium iodideHCID 201351131,3,4,5-Tetrahydro-3-(methoxycarbonyl)-4-(methoxyphenyl)-3-(2-propenyl)-7-(trifluoromethyl)-2H-1-benzazepin-2-one

Product 1

HCID 212905421,3,4,5-Tetrahydro-4-(methoxyphenyl)-3-(2-propenyl)-7-(trifluoromethyl)-2H-1-benzazepin-2-oneYield 104.7%

Reagents, catalysts & solvents 2

HCID 962
Water
Catalyst
HCID 1049PyridineSolvent

Procedure

Lithium iodide (1.08 g; 8.04 mmole) was added to 1,3,4,5-tetrahydro-3-(methoxycarbonyl)-4-(methoxyphenyl)-3-(2-propenyl)-7-(trifluoromethyl)-2H-1-benzazepin-2-one (870 mg; 2.01 mmole) in pyridine (14 ml), three drops of water were added, and the mixture was refluxed with stirring for 6.5 hours. The solution was dissolved into ethyl acetate and washed with 1N hydrochloric acid (three times). The organic layer was dried (magnesium sulfate) and concentrated giving 0.79 g of solid. The crude material was used "as is" in the next step.

Workup

  1. additionwere added
  2. temperaturethe mixture was refluxed
  3. washwashed with 1N hydrochloric acid (three times)
  4. dry with materialThe organic layer was dried (magnesium sulfate)
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-3b4a2353da2640579fdcf9d06a5173b5
Source dataset
uspto-grants-1988_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04752645

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes