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Trifluoroacetic acid → 1-(4-(1-isobutyl-8-phenyl-4H-pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]oxazin-7-yl)phenyl)cyclobutanamine

HRID 1509278
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Reaktionsgleichung

Reaktionsgleichung von HRID 1509278
[CH2:1]([C:5]1[N:9]2[C:10]3[CH:17]=[C:16]([C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=4)[C:15]([C:24]4[CH:29]=[CH:28][C:27]([C:30]5([NH:34]C(=O)OC(C)(C)C)[CH2:33][CH2:32][CH2:31]5)=[CH:26][CH:25]=4)=[N:14][C:11]=3[O:12][CH2:13][C:8]2=[N:7][N:6]=1)[CH:2]([CH3:4])[CH3:3].C(O)(C(F)(F)F)=O>ClCCl>[CH2:1]([C:5]1[N:9]2[C:10]3[CH:17]=[C:16]([C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=4)[C:15]([C:24]4[CH:25]=[CH:26][C:27]([C:30]5([NH2:34])[CH2:33][CH2:32][CH2:31]5)=[CH:28][CH:29]=4)=[N:14][C:11]=3[O:12][CH2:13][C:8]2=[N:7][N:6]=1)[CH:2]([CH3:4])[CH3:3]
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 86683652Tert-butyl (1-(4-(1-isobutyl-8-phenyl-4H-pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]oxazin-7-yl)phenyl)cyclobutyl)carbamate

Produkt 1

HCID 532625671-(4-(1-isobutyl-8-phenyl-4H-pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]oxazin-7-yl)phenyl)cyclobutanamineAusbeute 68,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

Tert-butyl (1-(4-(1-isobutyl-8-phenyl-4H-pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]oxazin-7-yl)phenyl)cyclobutyl)carbamate (7 mg, 0.013 mmol) was dissolved in dichloromethane (1 mL); TFA (1 ml) was added at room temperature and the resulting mixture was stirred for 30 seconds. The solution was immediately concentrated to dryness under reduced pressure. The residue was dissolved in diethyl ether (˜2 ml) and concentrated to dryness under reduced pressure three times. The residue was then slurred in diethyl ether (2 ml) and after settling the supernatant solvent removed by pipette. This was repeated three times. The residue was then slurred in n-hexanes (2 ml) and after settling the supernatant solvent was removed by pipette. This was repeated three times. The remaining solvent was removed under reduced pressure and dried to give the desired product as an off-white solid (4 mg, 68% yield). LCMS (Method D): RT=0.844 min, M+1=452. 1H-NMR (500 MHz, CD3OD) δ 8.07 (1H, s), 7.52-7.45 (2H, d), 7.44-7.40 (2H, d), 7.38-7.33 (3H, m), 7.31-7.26 (2H, m), 5.66 (2H, s), 3.11 (2H, d), 2.81-2.68 (2H, m), 2.61-2.45 (2H, m), 2.32-2.17 (1H+1H, 2 m), 2.02-1.87 (1H, m), 1.10 (6H, d).

Aufarbeitung

  1. concentrationThe solution was immediately concentrated to dryness under reduced pressure
  2. dissolutionThe residue was dissolved in diethyl ether (˜2 ml)
  3. concentrationconcentrated to dryness under reduced pressure three times
  4. customremoved by pipette
  5. customwas removed by pipette
  6. customThe remaining solvent was removed under reduced pressure
  7. customdried

Quellen und Nachweise

ORD-Eintrag
ord-f6ea94d80d0e4a3492c65ff8212efc93
Quelldatensatz
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09221838B2

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