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Acetic Acid → C29H28ClNO2

HRID 865478
Notes
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Reaction equation

HRID 865478 reaction equation
[Cl:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][C:8]([CH:12]=[CH:13][C:14]3[CH:15]=[C:16]([C@@H:20]([OH:33])[CH2:21][CH2:22][C:23]4[CH:32]=[CH:31][CH:30]=[CH:29][C:24]=4C(OC)=O)[CH:17]=[CH:18][CH:19]=3)=[N:9]2)=[CH:4][CH:3]=1.[CH3:34][Mg+].[Br-].[CH3:37][C:38]([OH:40])=O>C1(C)C=CC=CC=1.C1(C)C=CC=CC=1.C1COCC1>[Cl:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][C:8]([CH:12]=[CH:13][C:14]3[CH:15]=[C:16]([C@@H:20]([OH:33])[CH2:21][CH2:22][C:23]4[CH:24]=[CH:29][CH:30]=[CH:31][C:32]=4[C:38]([OH:40])([CH3:37])[CH3:34])[CH:17]=[CH:18][CH:19]=3)=[N:9]2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 176Acetic AcidHCID 540063032-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)(E/Z)ethenyl)phenyl]-3-hydroxypropyl]benzoic acid methyl esterHCID 178418689HCID 178418689, compound

Product 1

HCID 54563620C29H28ClNO2

Reagents, catalysts & solvents 2

HCID 1140TolueneSolvent
HCID 22635083
Tetrahydrofuran toluene
Solvent

Procedure

To a solution of the hydroxyester of Step 2 (38.68 g, 84.36 mmol) in 600 mL of toluene at 0° C. was added slowly 225 mL of 1.5M MeMgBr in toluene:THF 3:1 and the mixture was stirred at r.t. for 4 h. It was then poured into 2 L cold 12% NH4OAc and 25 mL of AcOH were added. The products were extracted in EtOAc, washed with brine, dried over Na2SO4 and concentrated. Flash chromatography of the residue with EtOAc:toluene 15:85 and 25:75 afforded first the methyl ketone derivative, then the title compound. Yield 24.06 g, 62%.

Workup

  1. additionwere added
  2. extractionThe products were extracted in EtOAc
  3. washwashed with brine
  4. dry with materialdried over Na2SO4
  5. concentrationconcentrated
  6. customFlash chromatography of the residue with EtOAc:toluene 15:85 and 25:75 afforded first the methyl ketone derivative

Sources & evidence

ORD record
ord-29f4a3ddf35c4330983b282c96d0ef52
Source dataset
uspto-grants-1996_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05565473

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes