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Methanesulfonyl chloride → (5R)-3-[3-fluoro-4-(4-methyl-1H-imidazol-1-yl)phenyl]-2-oxo-1,3-oxazolidin-5-ylmethyl methanesulfonate

HRID 8159
ノート
印刷プレビュー

反応式

HRID 8159 の反応式
[F:1][C:2]1[CH:3]=[C:4]([N:14]2[CH2:18][C@H:17]([CH2:19][OH:20])[O:16][C:15]2=[O:21])[CH:5]=[CH:6][C:7]=1[N:8]1[CH:12]=[C:11]([CH3:13])[N:10]=[CH:9]1.[CH3:22][S:23](Cl)(=[O:25])=[O:24]>N1C=CC=CC=1.C(N(CC)CC)C>[F:1][C:2]1[CH:3]=[C:4]([N:14]2[CH2:18][C@H:17]([CH2:19][O:20][S:23]([CH3:22])(=[O:25])=[O:24])[O:16][C:15]2=[O:21])[CH:5]=[CH:6][C:7]=1[N:8]1[CH:12]=[C:11]([CH3:13])[N:10]=[CH:9]1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 31297Methanesulfonyl chlorideHCID 21356561(5R)-3-(3-Fluoro-4-(4-methylimidazol-1-yl)phenyl)-5-hydroxymethyloxazolidin-2-one

生成物 1

HCID 21356562(5R)-3-[3-fluoro-4-(4-methyl-1H-imidazol-1-yl)phenyl]-2-oxo-1,3-oxazolidin-5-ylmethyl methanesulfonate収率 78.2%

試薬・触媒・溶媒 2

HCID 1049Pyridine溶媒HCID 8471Triethylamine
溶媒

実験手順

3-(3-Fluoro-4-(4-methylimidazol-1-yl)phenyl)-5(R)-hydroxymethyloxazolidin-2-one (11.8 g, 40.5 mM) was stirred in a mixture of pyridine (200 ml) and triethylamine (4.86 g, 48.2 mM) under nitrogen in an ice-bath. Methanesulfonyl chloride (5.16 g, 45 mM) was added dropwise, and the mixture stirrd for 2 hours, allowing the temperature to rise to ambient. Solvent was evaporated, and the residue stirred vigorously with a mixture of aqueous sodium bicarbonate (5%, 200 ml) and isohexane (200 ml). The precipitate was filtered, washed with water then isohexane, and dried. The residue was recrystallised from hot acetone (200 ml) by dilution with isohexane (300 ml) to give the title product (11.7 g), mp 151–153°.

後処理

  1. customSolvent was evaporated
  2. filtrationThe precipitate was filtered
  3. washwashed with water
  4. dry with materialisohexane, and dried
  5. customThe residue was recrystallised from hot acetone (200 ml) by dilution with isohexane (300 ml)

出典と根拠

ORDレコード
ord-2f379275646448efaafdb55402752361
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07087629B2

反応ノート

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