Cesium fluoride → 1,1,1-trifluoro-3-(1-(4-fluorophenyl)-1H-indazol-5-yloxy)-3-phenylpropane-2,2-diol

HRID 1098946

反応式

HRID 1098946 の反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:16]3[C:11](=[CH:12][C:13]([O:17][CH:18]([C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=4)[C:19]([O:21]C)=[O:20])=[CH:14][CH:15]=3)[CH:10]=[N:9]2)=[CH:4][CH:3]=1.C[Si](C)(C)[C:31]([F:34])([F:33])[F:32].[F-].[Cs+].[F-].C([N+](CCCC)(CCCC)CCCC)CCC>C1COCC1.O>[F:32][C:31]([F:34])([F:33])[C:19]([OH:20])([OH:21])[CH:18]([O:17][C:13]1[CH:12]=[C:11]2[C:16](=[CH:15][CH:14]=1)[N:8]([C:5]1[CH:4]=[CH:3][C:2]([F:1])=[CH:7][CH:6]=1)[N:9]=[CH:10]2)[C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1

参加物

7

反応物 4

HCID 25953Cesium fluorideHCID 552549(Trifluoromethyl)trimethylsilaneHCID 2724141Tetrabutylammonium FluorideHCID 59339649methyl 2-(1-(4-fluorophenyl)-1H-indazol-5-yloxy)-2-phenylacetate

生成物 1

HCID 593397361,1,1-trifluoro-3-(1-(4-fluorophenyl)-1H-indazol-5-yloxy)-3-phenylpropane-2,2-diol収率 96%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 8028Tetrahydrofuran溶媒2 回

実験手順

Methyl 2-(1-(4-fluorophenyl)-1H-indazol-5-yloxy)-2-phenylacetate (147d, 2.5 g, 6.6 mmol) was dissolved in THF (15 mL, dried over 4 Å MS) under Argon atmosphere and cooled in an ice-bath. Trimethyl(trifluoromethyl)silane (1.18 mL, 8 mmol) was added followed by Caesium fluoride (100 mg, 0.66 mmol). The cooling bath was removed and the stirring was continued at r.t. for 4 h. A solution of tetrabutylammonium fluoride in THF (1M, 7 mL, 7 mmol) followed by water (4 mL) was then added and the mixture was stirred for additional 1 h and then partitioned between ethyl acetate and water. The organic phase was washed twice with water, then brine and evaporated to afford 1,1,1-trifluoro-3-(1-(4-fluorophenyl)-1H-indazol-5-yloxy)-3-phenylpropane-2,2-diol (2.74 g, 95%)

後処理

  1. temperaturecooled in an ice-bath
  2. customThe cooling bath was removed
  3. additionwas then added
  4. custompartitioned between ethyl acetate and water
  5. washThe organic phase was washed twice with water
  6. custombrine and evaporated

出典と根拠

ORDレコード
ord-5d46cd910a9149c69ba375da884a6d28
出典データセット
uspto-grants-2012_03
特許番号
US08143290B2

関連ノート

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