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Trifluoroacetic acid → 5-{1-[4-(4-Chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid amide

HRID 1928251
ノート
印刷プレビュー

反応式

HRID 1928251 の反応式
C([NH:5][S:6]([C:9]1[S:10][C:11]([C:14]2[N:15]=[CH:16][N:17]([C:19]3[N:24]=[C:23]([C:25]4[CH:30]=[CH:29][C:28]([Cl:31])=[C:27]([CH3:32])[CH:26]=4)[CH:22]=[C:21]([CH3:33])[N:20]=3)[CH:18]=2)=[CH:12][CH:13]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[Cl:31][C:28]1[CH:29]=[CH:30][C:25]([C:23]2[CH:22]=[C:21]([CH3:33])[N:20]=[C:19]([N:17]3[CH:18]=[C:14]([C:11]4[S:10][C:9]([S:6]([NH2:5])(=[O:8])=[O:7])=[CH:13][CH:12]=4)[N:15]=[CH:16]3)[N:24]=2)=[CH:26][C:27]=1[CH3:32]
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 6422Trifluoroacetic acidHCID 602094505-{1-[4-(4-chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid tert-butyl amide

生成物 1

HCID 574689975-{1-[4-(4-Chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid amide収率 52%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a cooled and stirred solution of 5-{1-[4-(4-chloro-3-methyl-phenyl)-6-methyl-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiophene-2-sulfonic acid tert-butyl amide (0.54 g) in dichloromethane (5 ml) was added TFA (5 ml) and the reaction mixture was allowed to stir at room temperature for 15 h. The mixture was evaporated to dryness and saturated NaHCO3 solution (10 ml) was added. The mixture was stirred at room temperature for 30 min, the precipitate was collected by filtration and washed with water. The crude product was further purified by flash chromatography on silica gel (ethyl acetate/heptane) and crystallization (THF/diethyl ether) to yield the title compound as a white solid (0.24 g, 52%). MS (ISP) 445.9 [(M+H)+]; mp 267° C. (dec.).

後処理

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness and saturated NaHCO3 solution (10 ml)
  3. additionwas added
  4. stirringThe mixture was stirred at room temperature for 30 min
  5. filtrationthe precipitate was collected by filtration
  6. washwashed with water
  7. customThe crude product was further purified by flash chromatography on silica gel (ethyl acetate/heptane) and crystallization (THF/diethyl ether)

出典と根拠

ORDレコード
ord-84028d4c240c4d08a3499262ac82ad4e
出典データセット
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08183262B2

反応ノート

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