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Dimethylformamide → ethyl (6E)-6-[[4-[[2-(furan-2-yl)-5-methyl-1,3-oxazol-4-yl]methoxy]phenyl]methoxyimino]-6-phenylhexanoate

HRID 584516
Notes
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Reaction equation

HRID 584516 reaction equation
Cl[CH2:2][C:3]1[N:4]=[C:5]([C:9]2[O:10][CH:11]=[CH:12][CH:13]=2)[O:6][C:7]=1[CH3:8].[OH:14][C:15]1[CH:39]=[CH:38][C:18]([CH2:19][O:20]/[N:21]=[C:22](/[C:32]2[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=2)\[CH2:23][CH2:24][CH2:25][CH2:26][C:27]([O:29][CH2:30][CH3:31])=[O:28])=[CH:17][CH:16]=1.C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>C(OCC)(=O)C.CCCCCC.O>[O:10]1[CH:11]=[CH:12][CH:13]=[C:9]1[C:5]1[O:6][C:7]([CH3:8])=[C:3]([CH2:2][O:14][C:15]2[CH:16]=[CH:17][C:18]([CH2:19][O:20]/[N:21]=[C:22](/[C:32]3[CH:33]=[CH:34][CH:35]=[CH:36][CH:37]=3)\[CH2:23][CH2:24][CH2:25][CH2:26][C:27]([O:29][CH2:30][CH3:31])=[O:28])=[CH:38][CH:39]=2)[N:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 11089565ethyl (6E)-6-[(4-hydroxyphenyl)methoxyimino]-6-phenylhexanoateHCID 223445824-(Chloromethyl)-2-(furan-2-yl)-5-methyl-1,3-oxazole

Product 1

HCID 11135070ethyl (6E)-6-[[4-[[2-(furan-2-yl)-5-methyl-1,3-oxazol-4-yl]methoxy]phenyl]methoxyimino]-6-phenylhexanoate
Yield 88.3%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 21226206Ethyl acetate hexaneSolvent

Procedure

A mixture of 4-chloromethyl-2-(2-furyl)-5-methyloxazole (368 mg), ethyl E-6-(4-hydroxybenzyloxyimino)-6-phenylhexanoate (600 mg), potassium carbonate (467 mg) and N,N-dimethylformamide (7 ml) was stirred at room temperature for 13 hours. Water was added to the reaction mixture and extracted with ethyl acetate. The ethyl acetate layer was washed with an aqueous saturated solution of sodium chloride, dried (MgSO4) and concentrated. The residue was subjected to silica gel chromatography to obtain ethyl E-6-[4-[2-(2-furyl)-5-methyl-4-oxazolylmethoxy]benzyloxyimino]-6-phenylhexanoate (770 mg, yield 88%) as a colorless oil from an ethyl acetate-hexane (2:7, v/v)-eluted fraction.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with an aqueous saturated solution of sodium chloride
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-143f9df1b81b477db3c21b2d3e211a7a
Source dataset
uspto-grants-2005_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06924300B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes