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Water → 7-{2-[3-(Tert-butyl-dimethyl-silanyloxy)-4-(4-fluoro-phenyl)-butyl]-5-oxo-pyrrolidin-1-yl}-heptanenitrile

HRID 478859
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HRID 478859 반응식
[C:1]([Si:5]([CH3:25])([CH3:24])[O:6][CH:7]([CH2:16][C:17]1[CH:22]=[CH:21][C:20]([F:23])=[CH:19][CH:18]=1)[CH2:8][CH2:9][CH:10]1[NH:14][C:13](=[O:15])[CH2:12][CH2:11]1)([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].Br[CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][C:35]#[N:36].O>CN(C=O)C>[C:1]([Si:5]([CH3:25])([CH3:24])[O:6][CH:7]([CH2:16][C:17]1[CH:22]=[CH:21][C:20]([F:23])=[CH:19][CH:18]=1)[CH2:8][CH2:9][CH:10]1[CH2:11][CH2:12][C:13](=[O:15])[N:14]1[CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][C:35]#[N:36])([CH3:4])([CH3:3])[CH3:2]
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HCID 962WaterHCID 24758Sodium hydrideHCID 88737Heptanenitrile, 7-bromo-HCID 227125205-[3-(Tert-butyl-dimethyl-silanyloxy)4-(4-fluoro-phenyl)-butyl]-pyrrolidin-2-one

생성물 1

HCID 227187687-{2-[3-(Tert-butyl-dimethyl-silanyloxy)-4-(4-fluoro-phenyl)-butyl]-5-oxo-pyrrolidin-1-yl}-heptanenitrile수율 82.7%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매3회

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온도
90 °C

실험 절차

A solution o f 5-[3-(tert-butyl-dimethyl-silanyloxy)4-(4-fluoro-phenyl)-butyl]-pyrrolidin-2-one (150 mg, 0.41 mmol) in DMF (5 mL) was added to NaH (60% by weight in oil, 16 mg, 0.41 mmol) in DMF (10 mL). After 1.5 h, 7-bromoheptanenitrile (78 mg, 0.41 mmol) in DMF (5 mL) was added and the reaction mixture was stirred at 90° C. for 2.5 h. Water (20 mL) was added and the aqueous solution was washed with EtOAc (4×15 mL). The combined organic solutions were washed with water (2×15 mL), dried (MgSO4), filtered, and concentrated. The residue was purified by medium pressure chromatography (1:1 hexanes:EtOAc) provided 7-{2-[3-(tert-butyl-dimethyl-silanyloxy)-4-(4-fluoro-phenyl)-butyl ]-5-oxo-pyrrolidin-1-yl}-heptanenitrile (161 mg). 1H NMR (CDCl3) δ7.09 (m, 2H), 6.95 (m, 2H), 3.81 (m, 1H), 3.54 (m, 2H), 2.86 (m, 1H), 2.68 (m, 2H), 2.29 (m, 4H), 2.06 (m, 1H), 1.74-1.23 (m, 13H), 0.85 (s, 9H), 0.04 (m, 3H), 0.19 (m, 3H); MS 475.1 (M+1).

후처리

  1. washthe aqueous solution was washed with EtOAc (4×15 mL)
  2. washThe combined organic solutions were washed with water (2×15 mL)
  3. dry with materialdried (MgSO4)
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified by medium pressure chromatography (1:1 hexanes:EtOAc)

출처 및 근거

ORD 기록
ord-e30f3d930ef34898850a8b6db3d9c81f
출처 데이터셋
uspto-grants-2003_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06642266B2

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