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O-Cresol → 4-(4-Fluorophenyl)-2-(2-methyl-1-imidazolyl)-5-[4-(2-methylphenoxy)butyl]oxazole

HRID 395615
Notes
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Reaction equation

HRID 395615 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]=[C:10]([N:18]3[CH:22]=[CH:21][N:20]=[C:19]3[CH3:23])[O:11][C:12]=2[CH2:13][CH2:14][CH2:15][CH2:16][OH:17])=[CH:4][CH:3]=1.[CH3:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][C:26]=1O.C(P(CCCC)CCCC)CCC.N(C(N1CCCCC1)=O)=NC(N1CCCCC1)=O>O1CCCC1>[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[N:9]=[C:10]([N:18]3[CH:22]=[CH:21][N:20]=[C:19]3[CH3:23])[O:11][C:12]=2[CH2:13][CH2:14][CH2:15][CH2:16][O:17][C:26]2[CH:27]=[CH:28][CH:29]=[CH:30][C:25]=2[CH3:24])=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 335O-CresolHCID 13831TributylphosphineHCID 730421,1'-(Azodicarbonyl)dipiperidineHCID 181747334-(4-Fluorophenyl)-2-(2-methyl-1-imidazolyl)-5-oxazolebutanol

Product 1

HCID 181746924-(4-Fluorophenyl)-2-(2-methyl-1-imidazolyl)-5-[4-(2-methylphenoxy)butyl]oxazole

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

To a mixture of 4-(4-fluorophenyl)-2-(2-methyl-1-imidazolyl)-5-oxazolebutanol (315 mg), 2-methylphenol (216 mg), tributylphosphine (405 mg) and tetrahydrofuran (5ml) was added 1,1′-(azodicarbonyl)dipiperidine (505mg) at room temperature, and the resulting mixture was stirred for 1 hour. After the reaction mixture was concentrated, the residue was subjected to silica gel column chromatography, and 4-(4-fluorophenyl)-2-(2-methyl-1-imidazolyl)-5-[4-(2-methylphenoxy)butyl]oxazole was obtained as an oil (367 mg, 91%) from an ethyl acetate-hexane (1:1, v/v)-eluted fraction.

Workup

  1. concentrationAfter the reaction mixture was concentrated

Sources & evidence

ORD record
ord-1119a568117d43d3997d443da1186c44
Source dataset
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06605629B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes