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Sodium borohydride → 6-Tert-butyl-8-fluoro-2-[3-(hydroxymethyl)-4-[1-methyl-5-[(5-methylisoxazol-3-yl)amino]-6-oxo-3-pyridyl]-2-pyridyl]phthalazin-1-one

HRID 1185239
ノート
印刷プレビュー

反応式

HRID 1185239 の反応式
[C:1]([C:5]1[CH:6]=[C:7]2[C:12](=[C:13]([F:15])[CH:14]=1)[C:11](=[O:16])[N:10]([C:17]1[N:24]=[CH:23][CH:22]=[C:21]([C:25]3[CH:30]=[C:29]([NH:31][C:32]4[CH:36]=[C:35]([CH3:37])[O:34][N:33]=4)[C:28](=[O:38])[N:27]([CH3:39])[CH:26]=3)[C:18]=1[CH:19]=[O:20])[N:9]=[CH:8]2)([CH3:4])([CH3:3])[CH3:2].[BH4-].[Na+]>CO>[C:1]([C:5]1[CH:6]=[C:7]2[C:12](=[C:13]([F:15])[CH:14]=1)[C:11](=[O:16])[N:10]([C:17]1[C:18]([CH2:19][OH:20])=[C:21]([C:25]3[CH:30]=[C:29]([NH:31][C:32]4[CH:36]=[C:35]([CH3:37])[O:34][N:33]=4)[C:28](=[O:38])[N:27]([CH3:39])[CH:26]=3)[CH:22]=[CH:23][N:24]=1)[N:9]=[CH:8]2)([CH3:4])([CH3:2])[CH3:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 4311764Sodium borohydrideHCID 866840882-(6-tert-Butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(5-methylisoxazol-3-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)nicotinaldehyde

生成物 1

HCID 866839796-Tert-butyl-8-fluoro-2-[3-(hydroxymethyl)-4-[1-methyl-5-[(5-methylisoxazol-3-yl)amino]-6-oxo-3-pyridyl]-2-pyridyl]phthalazin-1-one収率 54.2%

試薬・触媒・溶媒 1

HCID 887Methanol溶媒

実験手順

To a solution of 161b (300 mg, 0.57 mmol) in methanol (10 mL) was added NaBH4 (108 mg, 2.85 mmol) at room temperature. After the reaction was stirred for 6 h, LCMS indicated the reaction was complete. It was then quenched with water (10 mL) and concentrated under reduced pressure. The resulting residue was extracted with dichloromethane (3×20 mL). The combined organic layer was washed with brine (20 mL), dried over Na2SO4, filtered, and concentrated under reduced pressure. The residue solid was purified by silica-gel column chromatography eluting with petroleum ether/ethyl acetate (1:20 to 100% ethyl acetate) to afford 161c (164 mg, 54%) as a white solid. MS-ESI: [M+H]+ 530.8

後処理

  1. customIt was then quenched with water (10 mL)
  2. concentrationconcentrated under reduced pressure
  3. extractionThe resulting residue was extracted with dichloromethane (3×20 mL)
  4. washThe combined organic layer was washed with brine (20 mL)
  5. dry with materialdried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe residue solid was purified by silica-gel column chromatography
  9. washeluting with petroleum ether/ethyl acetate (1:20 to 100% ethyl acetate)

出典と根拠

ORDレコード
ord-7e1b81363173409c8d88bd6cfb746280
出典データセット
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08669251B2

反応ノート

読み込み中…

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