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

HRID 407647
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 407647
[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:37]=[CH:36][N:35]=[C:34]([CH3:38])[N:33]=4)[C:28](=[O:39])[N:27]([CH3:40])[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:37]=[CH:36][N:35]=[C:34]([CH3:38])[N:33]=4)[C:28](=[O:39])[N:27]([CH3:40])[CH:26]=3)[CH:22]=[CH:23][N:24]=1)[N:9]=[CH:8]2)([CH3:4])([CH3:2])[CH3:3]
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Komponenten

4

Edukt 2

HCID 4311764Sodium borohydrideHCID 866839342-(6-tert-Butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(2-methylpyrimidin-4-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)nicotinaldehyde

Produkt 1

HCID 866839366-Tert-butyl-8-fluoro-2-[3-(hydroxymethyl)-4-[1-methyl-5-[(2-methylpyrimidin-4-yl)amino]-6-oxo-3-pyridyl]-2-pyridyl]phthalazin-1-oneAusbeute 15,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887
Methanol
Lösungsmittel

Versuchsvorschrift

At 0° C., to a suspension of 2-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(2-methylpyrimidin-4-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)nicotinaldehyde 114c (130 mg, 0.24 mmol) in methanol (20 mL) was added sodium borohydride (27 mg, 0.72 mmol). The reaction mixture was stirred for 20 minutes and then quenched with water (10 mL). It was then concentrated under reduced pressure and the residue was extracted with dichloromethane (3×20 mL). The combined organic layer was dried and concentrated under reduced pressure. The residue was purified by reverse-phase prep-HPLC to afford 114 (20 mg, 15%) as a white solid. MS-ESI: [M+H]+ 542.3. 1H NMR (500 MHz, CDCl3) 8.97 (d, J=2.5 Hz, 1H), 8.71 (d, J=5.0 Hz, 1H, 8.36 (d, J=2.0 Hz, 1H), 8.28 (d, J=5.5 Hz, 1H), 8.09-8.06 (m, 1H), 7.86 (d, J=2.5 Hz, 1H), 7.60-7.56 (m, 3H), 6.61 (d, J=6.0 Hz, 1H), 4.54-4.43 (m, 2H), 4.16-4.13 (m, 1H), 3.75 (s, 3H), 2.62 (s, 3H), 1.46 (s, 9H).

Aufarbeitung

  1. customquenched with water (10 mL)
  2. concentrationIt was then concentrated under reduced pressure
  3. extractionthe residue was extracted with dichloromethane (3×20 mL)
  4. customThe combined organic layer was dried
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by reverse-phase prep-HPLC

Quellen und Nachweise

ORD-Eintrag
ord-4c1158680585439882f3a66964a4f0cd
Quelldatensatz
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08754077B2

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