Ammonium Chloride → 2-[2-(2-chlorophenyl)ethyl]-6-(4-fluoro-3-methylphenyl)-4-hydroxymethyl-2H-pyridazin-3-one

HRID 1348794

반응식

HRID 1348794 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][CH2:9][N:10]1[C:15](=[O:16])[C:14]([C:17](OC)=[O:18])=[CH:13][C:12]([C:21]2[CH:26]=[CH:25][C:24]([F:27])=[C:23]([CH3:28])[CH:22]=2)=[N:11]1.O.O.O.O.O.O.[Cl-].[Ce+3].[Cl-].[Cl-].[BH4-].[Na+].[Cl-].[NH4+]>C1COCC1.CO>[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][CH2:9][N:10]1[C:15](=[O:16])[C:14]([CH2:17][OH:18])=[CH:13][C:12]([C:21]2[CH:26]=[CH:25][C:24]([F:27])=[C:23]([CH3:28])[CH:22]=2)=[N:11]1

참가 물질

6

실험 절차

To a solution of 2-[2-(2-chlorophenyl)ethyl]-6-(4-fluoro-3-methylphenyl)-4-methoxycarbonyl-2H-pyridazin-3-one (480 mg, 1.20 mmol) in THF/methanol (2 mL/1 mL), cerium(III) chloride hexahydrate (425 mg, 1.20 mmol) was added at −15° C., followed by the addition of sodium borohydride (45 mg, 1.20 mmol). After stirred for 10 minutes, a saturated aqueous solution of ammonium chloride was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was dried over anhydrous sodium sulfate, and was concentrated under reduced pressure. Further, the concentrate was purified by column chromatography on silica gel [hexane/ethyl acetate (2/1)] to yield the title compound as a pale yellow syrupy substance (yield: 11.0%).

후처리

  1. extractionthe mixture was extracted with ethyl acetate
  2. dry with materialThe extract was dried over anhydrous sodium sulfate
  3. concentrationwas concentrated under reduced pressure
  4. customFurther, the concentrate was purified by column chromatography on silica gel [hexane/ethyl acetate (2/1)]

출처 및 근거

ORD 기록
ord-c90e3851495f4d1a8a68fb66a7e26226
출처 데이터셋
uspto-grants-2007_05
특허 번호
US07211577B2

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