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Trifluoroacetic acid → HCID 178480812, Verbindung

HRID 2241274
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2241274
COC1C=CC(CN2C3=NC=CC(OC4C=CC(N(C5C=CC(F)=CC=5)C(C5(C(N)=O)CC5)=O)=CC=4F)=C3C(C3C=C(CN4CCN(C)CC4)OC=3)=N2)=CC=1.COC1C=CC(C[N:63]2[C:67]3=[N:68][CH:69]=[CH:70][C:71]([O:72][C:73]4[CH:78]=[CH:77][C:76]([N:79]([C:88]5[CH:93]=[CH:92][C:91]([F:94])=[CH:90][CH:89]=5)[C:80]([C:82]5([C:85]([NH2:87])=[O:86])[CH2:84][CH2:83]5)=[O:81])=[CH:75][C:74]=4[F:95])=[C:66]3[C:65]([C:96]3[O:97][C:98]([CH2:102][N:103]4[CH2:108][CH2:107][N:106]([CH3:109])[CH2:105][CH2:104]4)=[CH:99][C:100]=3[Br:101])=[N:64]2)=CC=1.C(O)(C(F)(F)F)=O>>[Br:101][C:100]1[CH:99]=[C:98]([CH2:102][N:103]2[CH2:108][CH2:107][N:106]([CH3:109])[CH2:105][CH2:104]2)[O:97][C:96]=1[C:65]1[C:66]2[C:67](=[N:68][CH:69]=[CH:70][C:71]=2[O:72][C:73]2[CH:78]=[CH:77][C:76]([N:79]([C:88]3[CH:89]=[CH:90][C:91]([F:94])=[CH:92][CH:93]=3)[C:80]([C:82]3([C:85]([NH2:87])=[O:86])[CH2:84][CH2:83]3)=[O:81])=[CH:75][C:74]=2[F:95])[NH:63][N:64]=1
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Komponenten

4

Edukt 3

HCID 6422Trifluoroacetic acidHCID 68512150N-(4-(1-(4-methoxybenzyl)-3-(5-((4-methylpiperazin-1-yl)methyl)furan-3-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamideHCID 68516486N-(4-(1-(4-methoxybenzyl)-3-(3-bromo-5-((4-methylpiperazin-1-yl)methyl)furan-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide

Produkt 1

HCID 178480812
HCID 178480812, Verbindung

Versuchsvorschrift

A 17:83 mixture of N-(4-(1-(4-methoxybenzyl)-3-(5-((4-methylpiperazin-1-yl)methyl)furan-3-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide and N-(4-(1-(4-methoxybenzyl)-3-(3-bromo-5-((4-methylpiperazin-1-yl)methyl)furan-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)-cyclopropane-1,1-dicarboxamide (26 mg, 0.035 mmol) were heated with TFA (0.5 mL) at 80° C. for 2 hours in a sealed vessel. After cooling to ambient temperature, the mixture was concentrated in vacuo, using toluene to azeotrope. The resulting solid was partitioned between EtOAc (5 mL) and 1:1 saturated aqueous NaHCO3/water (5 mL). The phases were separated, and the aqueous phase was re-extracted with EtOAc. The combined organic phases were washed with brine, dried (Na2SO4), filtered, and concentrated. The crude products were separated by preparative TLC (0.5 mm thickness; N-(4-(3-(3-bromo-5-((4-methylpiperazin-1-yl)methyl)furan-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide: Rf=0.33; N-(3-fluoro-4-(3-(5-((4-methylpiperazin-1-yl)methyl)furan-3-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)phenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide: Rf=0.25), eluting with 10% MeOH (containing 7N NH3) in CHCl3. The product, N-(4-(3-(3-bromo-5-((4-methylpiperazin-1-yl)methyl)furan-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide, was obtained as a white powder (8 mg, 32%). HPLC: 98% purity (254 nm); LRMS (ESI+): 100% purity, 220 nm, 708, 606 (loss of piperazine) m/z (M+1) detected; 1H NMR (400 MHz, CDCl3+few drops CD3OD) δ 8.31 (d, J=5 Hz, 1H), 7.73 (m, 1H), 7.48 (m, 2H), 7.32 (m, 1H), 7.21 (t, J=9 Hz, 1H), 7.04 (t, J=9 Hz, 2H), 6.48 (s, 1H), 6.33 (d, J=5 Hz, 1H), 3.55 (s, 2H), 2.48 (m, 8H), 2.21 (s, 3H), 1.69 (m, 4H). 1H NMR/13C-NMR correlation spectroscopy was consistent with the depicted bromo-furan regioisomer.

Aufarbeitung

  1. concentrationthe mixture was concentrated in vacuo
  2. customThe resulting solid was partitioned between EtOAc (5 mL) and 1:1 saturated aqueous NaHCO3/water (5 mL)
  3. customThe phases were separated
  4. extractionthe aqueous phase was re-extracted with EtOAc
  5. washThe combined organic phases were washed with brine
  6. dry with materialdried (Na2SO4)
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customThe crude products were separated by preparative TLC (0.5 mm thickness; N-(4-(3-(3-bromo-5-((4-methylpiperazin-1-yl)methyl)furan-2-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)-3-fluorophenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide: Rf=0.33; N-(3-fluoro-4-(3-(5-((4-methylpiperazin-1-yl)methyl)furan-3-yl)-1H-pyrazolo[3,4-b]pyridin-4-yloxy)phenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide: Rf=0.25)
  10. washeluting with 10% MeOH (containing 7N NH3) in CHCl3

Quellen und Nachweise

ORD-Eintrag
ord-af577fdecfbb477f90c2e1f3145241b4
Quelldatensatz
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07723330B2

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