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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
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HRID 8159 반응식
[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
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참가 물질

5

반응물 2

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

생성물 1

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

시약·촉매·용매 2

HCID 1049Pyridine용매HCID 8471Triethylamine
용매

실험 절차

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°.

후처리

  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)

출처 및 근거

ORD 기록
ord-2f379275646448efaafdb55402752361
출처 데이터셋
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07087629B2

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