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Sodium Hydroxide → 5-(4-(2-(5-Amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenoxy)pentanoic acid

HRID 1479643
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1479643
[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:29]=[CH:28][C:17]([O:18][CH2:19][CH2:20][CH2:21][CH2:22][C:23]([O:25]CC)=[O:24])=[CH:16][CH:15]=3)=[CH:7][C:6]=2[C:5]2[CH:30]=[CH:31][C:32]([CH3:34])=[CH:33][C:4]=2[N:3]=1.[OH-].[Na+]>C(O)C.C(OCC)(=O)C.O>[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:29]=[CH:28][C:17]([O:18][CH2:19][CH2:20][CH2:21][CH2:22][C:23]([OH:25])=[O:24])=[CH:16][CH:15]=3)=[CH:7][C:6]=2[C:5]2[CH:30]=[CH:31][C:32]([CH3:34])=[CH:33][C:4]=2[N:3]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 2

HCID 14798Sodium HydroxideHCID 58213647Ethyl 5-(4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenoxy)pentanoate

Produkt 1

HCID 582137705-(4-(2-(5-Amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenoxy)pentanoic acid

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 702EthanolLösungsmittelHCID 962WaterLösungsmittel
HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
80 °C

Versuchsvorschrift

To a solution of ethyl 5-(4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenoxy)pentanoate (1.0 equiv.) (from Example 139) in ethanol (0.10 M) was added anhydrous sodium hydroxide (2.0 equiv.) and the resulting mixture was allowed to stir at 80° C. for 2 hours. After cooling to ambient temperature, the mixture was diluted with ethyl acetate and water. The biphasic layers were separated and the aqueous layer was washed twice with ethyl acetate. The combined organic layers were dried over anhydrous Na2SO4 and the volatiles were removed in vacuo. The resulting residue was purified by a COMBIFLASH® system (ISCO) using 0-10% methanol in dichloromethane to furnish 5-(4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenoxy)pentanoic acid as a solid. 1H NMR (Methanol-d4): δ 8.61 (s, 1H), 8.57 (s, 1H), 8.20 (d, 1H), 7.40 (s, 1H), 7.20 (d, 1H), 7.07 (d, 2H), 6.81 (d, 2H), 3.93 (t, 2H), 3.18 (t, 2H), 3.00 (t, 2H), 2.48 (s, 3H), 2.25 (t, 2H), 1.74-1.81 (m, 2H), 0.86-0.96 (m, 2H). LRMS [M+H]=430.2

Aufarbeitung

  1. temperatureAfter cooling to ambient temperature
  2. customThe biphasic layers were separated
  3. washthe aqueous layer was washed twice with ethyl acetate
  4. dry with materialThe combined organic layers were dried over anhydrous Na2SO4
  5. customthe volatiles were removed in vacuo
  6. customThe resulting residue was purified by a COMBIFLASH® system (ISCO)

Quellen und Nachweise

ORD-Eintrag
ord-4f3945aa943949fe998a4c79b766d274
Quelldatensatz
uspto-grants-2016_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09408907B2

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