Dimethylformamide → HCID 69428798, compound

HRID 1295284Notes

Reaction equation

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

Participants

Conditions

Temperature: 50 °C

Procedure

A mixture of methyl 3-[2-(4-hydroxyphenylthio)-4-phenyl-5-oxazolyl]propionate (450 mg), 4-chloromethyl-5-methyl-2-phenyloxazole (263 mg), potassium carbonate (351 mg) and N,N-dimethylformamide (5 ml) was stirred at 50° C. for 3 hrs. The reaction mixture was poured into water and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The residue was subjected to silica gel column chromatography, and methyl 3-[2-[4-(5-methyl-2-phenyl-4-oxazolylmethoxy)phenylthio]-4-phenyl-5-oxazolyl]propionate (609 mg, yield 91%) was obtained as a colorless oil from a fraction eluted with ethyl acetate-hexane (1:4, volume ratio).

Workup

extractionthe mixture was extracted with ethyl acetate
washThe ethyl acetate layer was washed with saturated brine
dry with materialdried (MgSO4)
concentrationconcentrated

Sources & evidence

ORD record: ord-0bef7d33bc5f4b629ce97ca94a2f6c05
Source dataset: uspto-grants-2007_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07241785B2

Reaction notes

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