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Epichlorohydrin → 2-(2,6-Difluorophenyl)-5-(4-(oxiran-2-ylmethoxy)phenyl)oxazole-4-carboxamide

HRID 389775
ノート
印刷プレビュー

反応式

HRID 389775 の反応式
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[C:9]1[O:10][C:11]([C:17]2[CH:22]=[CH:21][C:20]([OH:23])=[CH:19][CH:18]=2)=[C:12]([C:14]([NH2:16])=[O:15])[N:13]=1.C([O-])([O-])=O.[K+].[K+].[CH2:30]([CH:32]1[O:34][CH2:33]1)Cl>CN(C=O)C.CCOC(C)=O>[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([F:8])[C:3]=1[C:9]1[O:10][C:11]([C:17]2[CH:18]=[CH:19][C:20]([O:23][CH2:30][CH:32]3[CH2:33][O:34]3)=[CH:21][CH:22]=2)=[C:12]([C:14]([NH2:16])=[O:15])[N:13]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 7835EpichlorohydrinHCID 11430Potassium CarbonateHCID 595875782-(2,6-Difluorophenyl)-5-(4-hydroxyphenyl)oxazole-4-carboxamide

生成物 1

HCID 595875592-(2,6-Difluorophenyl)-5-(4-(oxiran-2-ylmethoxy)phenyl)oxazole-4-carboxamide収率 87%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒
HCID 8857
Ethyl Acetate
溶媒

実験手順

To a solution of 2-(2,6-difluorophenyl)-5-(4-hydroxyphenyl)oxazole-4-carboxamide (0.100 g, 0.316 mmol) in DMF (5 ml) was added K2CO3 (0.066 g, 0.474 mmol). The resulting mixture was stirred at room temperature for 30 minutes, after which time epichlorohydrin (0.044 g, 0.474 mmol) was added. The reaction was heated to 100° C., stirred at this temperature for 2 h and then diluted with EtOAc before being washed with water and brine. Drying over Na2SO4 and removal of solvent under vacuum gave 2-(2,6-difluorophenyl)-5-(4-(oxiran-2-ylmethoxy)phenyl)oxazole-4-carboxamide (0.102 g, 0.274 mmol, 87%) as a golden oil. LCMS (1) 2.00 min; m/z (ES+) 374.

後処理

  1. temperatureThe reaction was heated to 100° C.
  2. stirringstirred at this temperature for 2 h
  3. washbefore being washed with water and brine
  4. dry with materialDrying over Na2SO4 and removal of solvent under vacuum

出典と根拠

ORDレコード
ord-3217be1bb8b64ea08f56f3021c320123
出典データセット
uspto-grants-2013_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08378095B2

反応ノート

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