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Hydrofluoric Acid → (5-{1-Ethyl-1-[4-(2-hydroxy-3,3-dimethyl-butoxy)-3-methyl-phenyl]-propyl}-3-methyl-thiophene-2-sulfonylamine)-acetic acid methyl ester

HRID 1819942
ノート
印刷プレビュー

反応式

HRID 1819942 の反応式
[CH3:1][O:2][C:3](=[O:5])[CH3:4].C([Si](C)(C)[O:11][CH:12]([C:37]([CH3:40])([CH3:39])[CH3:38])[CH2:13][O:14][C:15]1[CH:20]=[CH:19][C:18]([C:21]([C:26]2[S:30][C:29]([S:31]([NH2:34])(=[O:33])=[O:32])=[C:28]([CH3:35])[CH:27]=2)([CH2:24][CH3:25])[CH2:22][CH3:23])=[CH:17][C:16]=1[CH3:36])(C)(C)C.F>C(#N)C>[CH3:1][O:2][C:3](=[O:5])[CH3:4].[CH2:22]([C:21]([C:26]1[S:30][C:29]([S:31]([NH2:34])(=[O:33])=[O:32])=[C:28]([CH3:35])[CH:27]=1)([C:18]1[CH:19]=[CH:20][C:15]([O:14][CH2:13][CH:12]([OH:11])[C:37]([CH3:39])([CH3:40])[CH3:38])=[C:16]([CH3:36])[CH:17]=1)[CH2:24][CH3:25])[CH3:23]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 14917Hydrofluoric AcidHCID 68625648[5-(1-{4-[2-(tert-Butyl-dimethyl-silanyloxy)-3,3-dimethyl-butoxy]-3-methyl-phenyl}-1-ethyl-propyl)-3-methyl-thiophene-2-sulfonylamine]-acetic acid methyl ester

生成物 1

HCID 68625699(5-{1-Ethyl-1-[4-(2-hydroxy-3,3-dimethyl-butoxy)-3-methyl-phenyl]-propyl}-3-methyl-thiophene-2-sulfonylamine)-acetic acid methyl ester収率 82%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile
溶媒

実験手順

To a solution of [5-(1-{4-[2-(tert-butyl-dimethyl-silanyloxy)-3,3-dimethyl-butoxy]-3-methyl-phenyl}-1-ethyl-propyl)-3-methyl-thiophene-2-sulfonylamine]-acetic acid methyl ester (380 mg, 0.59 mmol) in acetonitrile (10 ml) at 0° C. is added hydrofluoride solution (3 ml, 48% in water). After stirring at RT for 2 h, the reaction is concentrated and partitioned between EtOAc and 1N HCl. The organic layer is washed successively with 1N HCl and brine. Tle organic layer is concentrated and chromatographed (Hex to 25% EtOAc/Hex) to give the title compound (250 mg, 82%).

後処理

  1. concentrationthe reaction is concentrated
  2. custompartitioned between EtOAc and 1N HCl
  3. washThe organic layer is washed successively with 1N HCl and brine
  4. concentrationTle organic layer is concentrated
  5. customchromatographed (Hex to 25% EtOAc/Hex)

出典と根拠

ORDレコード
ord-ed443022bc5d4143b65727236f1fca25
出典データセット
uspto-grants-2009_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07601850B2

反応ノート

読み込み中…

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