Water → Ethyl 3-[4-phenyl-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-3-pyrrolyl]propionate

HRID 350069Notes

Reaction equation

HRID 350069 reaction equation
[H-].[Na+].[OH:3][C:4]1[CH:28]=[CH:27][C:7]([CH2:8][N:9]2[CH:13]=[C:12]([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)[C:11]([CH2:20][CH2:21][C:22]([O:24][CH2:25][CH3:26])=[O:23])=[CH:10]2)=[CH:6][CH:5]=1.Cl[CH2:30][C:31]1[N:32]=[C:33]([C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)[O:34][CH:35]=1.O>CN(C)C=O>[C:14]1([C:12]2[C:11]([CH2:20][CH2:21][C:22]([O:24][CH2:25][CH3:26])=[O:23])=[CH:10][N:9]([CH2:8][C:7]3[CH:27]=[CH:28][C:4]([O:3][CH2:30][C:31]4[N:32]=[C:33]([C:36]5[CH:37]=[CH:38][CH:39]=[CH:40][CH:41]=5)[O:34][CH:35]=4)=[CH:5][CH:6]=3)[CH:13]=2)[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1

Participants

6

Reactant 4

HCID 962WaterHCID 24758Sodium hydrideHCID 35511964-(Chloromethyl)-2-phenyl-1,3-oxazoleHCID 23024736Ethyl 3-[1-(4-hydroxybenzyl)-4-phenyl-3-pyrrolyl]propionate

Product 1

HCID 23024862Ethyl 3-[4-phenyl-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-3-pyrrolyl]propionateYield 72.5%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Sodium hydride (60%, oily, 60.0 mg) was added to a solution of ethyl 3-[1-(4-hydroxybenzyl)-4-phenyl-3-pyrrolyl]propionate (524 mg) in N,N-dimethylformamide (10 ml) at 0° C., and the mixture was stirred at room temperature for 15 minutes. 4-Chloromethyl-2-phenyloxazole (290 mg) was added to the mixture, which was stirred at room temperature for 30 minutes. The reaction mixture was poured into water, which was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated aqueous sodium chloride solution, dried (MgSO4), then concentrated. The residue was subjected to silica gel column chromatograpy, and ethyl 3-[4-phenyl-1-[4-(2-phenyl-4-oxazolylmethoxy)benzyl]-3-pyrrolyl]propionate (550 mg, yield: 72%) was obtained as an oily substance from the fraction eluted with ethyl acetate-hexane (1:3, volume ratio).

Workup

  1. stirringwas stirred at room temperature for 30 minutes
  2. extractionwas extracted with ethyl acetate
  3. washThe ethyl acetate layer was washed with saturated aqueous sodium chloride solution
  4. dry with materialdried (MgSO4)
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-fba0703fa5e345eab92a22ed95d663ec
Source dataset
uspto-grants-2007_02
Patent number
US07179823B1

Reaction notes

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