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Methyl Glycolate → {5-[1-(4-Cyano-3-fluorophenyl)-1-hydroxyethyl]imidazol-1-yl}acetic acid methyl ester

HRID 278185
ノート
印刷プレビュー

反応式

HRID 278185 の反応式
[C:1]([C:3]1[CH:8]=[CH:7][C:6]([C:9]([C:12]2[N:13]=[CH:14][N:15](C(C3C=CC=CC=3)(C3C=CC=CC=3)C3C=CC=CC=3)[CH:16]=2)([OH:11])[CH3:10])=[CH:5][C:4]=1[F:36])#[N:2].[C:37]([O:41][CH3:42])(=[O:40])[CH2:38]O.C(N(CC)C(C)C)(C)C.FC(F)(F)S(OS(C(F)(F)F)(=O)=O)(=O)=O>C(Cl)Cl>[CH3:42][O:41][C:37](=[O:40])[CH2:38][N:13]1[C:12]([C:9]([C:6]2[CH:7]=[CH:8][C:3]([C:1]#[N:2])=[C:4]([F:36])[CH:5]=2)([OH:11])[CH3:10])=[CH:16][N:15]=[CH:14]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 4

HCID 66774Methyl GlycolateHCID 67749Trifluoromethanesulfonic anhydrideHCID 81531DiisopropylethylamineHCID 184336071-(4-Cyano-3-fluorophenyl)-1-[1-(triphenylmethyl)imidazol-4-yl]ethanol

生成物 1

HCID 53834038{5-[1-(4-Cyano-3-fluorophenyl)-1-hydroxyethyl]imidazol-1-yl}acetic acid methyl ester

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

実験手順

To a stirred solution of 1-(4-cyano-3-fluorophenyl)-1-[1-(triphenylmethyl)imidazol-4-yl]ethanol from Step F (200 mg, 0.42 mmol), methyl glycolate (35 mg, 0.39 mmol), and N,N-diisopropylethylamine (65 mg, 0.51 mmol) in dry CH2Cl2 (10 mL), under argon, at −78° C., was added trifluoromethanesulfonic anhydride (110 mg, 0.39 mmol) dropwise. The mixture was allowed to warm slowly to ambient temperature, then the solvent was removed in vacuo. The residue was dissolved in MeOH (10 mL) and the solution was heated to reflux for 1 hr, then concentrated to dryness. The residue was purified by silica gel chromatography, eluting with 4% MeOH—0.4% NH4OH in CHCl3, to yield the titled product as a white solid.

後処理

  1. customthe solvent was removed in vacuo
  2. dissolutionThe residue was dissolved in MeOH (10 mL)
  3. temperaturethe solution was heated
  4. temperatureto reflux for 1 hr
  5. concentrationconcentrated to dryness
  6. customThe residue was purified by silica gel chromatography
  7. washeluting with 4% MeOH—0.4% NH4OH in CHCl3

出典と根拠

ORDレコード
ord-f7c70d7f1b6743e48628b3758288a4fd
出典データセット
uspto-grants-2002_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06358985B1

反応ノート

読み込み中…

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