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

HRID 1582659
ノート
印刷プレビュー

反応式

HRID 1582659 の反応式
[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]
参加物反応条件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 962WaterHCID 24758Sodium hydrideHCID 88737Heptanenitrile, 7-bromo-HCID 227125205-[3-(Tert-butyl-dimethyl-silanyloxy)4-(4-fluoro-phenyl)-butyl]-pyrrolidin-2-one

生成物 1

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

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒3 回

反応条件

温度
90 °C

実験手順

A solution of 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).

後処理

  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)

出典と根拠

ORDレコード
ord-ba8fb9dd310a43db8452a15782c381c0
出典データセット
uspto-grants-2004_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06737437B2

反応ノート

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