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Hydrochloric Acid → Ethyl 3-(5-amino-2-(4-hydroxy-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)propanoate

HRID 2167668
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2167668
[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:19]=[CH:18][C:17]([O:20]COC)=[CH:16][C:15]=3[CH3:24])=[CH:7][C:6]=2[C:5]2[CH:25]=[CH:26][C:27]([CH2:29][CH2:30][C:31]([O:33][CH2:34][CH3:35])=[O:32])=[CH:28][C:4]=2[N:3]=1.Cl>CCO.O1CCOCC1>[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:19]=[CH:18][C:17]([OH:20])=[CH:16][C:15]=3[CH3:24])=[CH:7][C:6]=2[C:5]2[CH:25]=[CH:26][C:27]([CH2:29][CH2:30][C:31]([O:33][CH2:34][CH3:35])=[O:32])=[CH:28][C:4]=2[N:3]=1
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Komponenten

5

Edukt 2

HCID 313Hydrochloric AcidHCID 67065519Ethyl 3-(5-amino-2-(4-(methoxymethoxy)-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)propanoate

Produkt 1

HCID 67065545Ethyl 3-(5-amino-2-(4-hydroxy-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)propanoate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702EthanolLösungsmittelHCID 31275
1,4-Dioxane
Lösungsmittel

Versuchsvorschrift

Ethyl 3-(5-amino-2-(4-(methoxymethoxy)-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)propanoate (6-12) (1.0 equiv.) was dissolved in EtOH (0.2 M), then added a solution of 4M HCl in dioxane (0.2 M). The product precipitated out as a yellow salt. After stirring for 3 hours, the reaction was poured into a stirring solution of ether. The mixture was stirred for 10 minutes, then filtered and washed with ether. Ethyl 3-(5-amino-2-(4-hydroxy-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)propanoate (6-13) was obtained as a yellow solid which was dried on vacuum overnight (bis-HCl salt). Alternatively, the crude product was purified by Combiflash using 0-5% MeOH in DCM to give the free base.

Aufarbeitung

  1. customThe product precipitated out as a yellow salt
  2. additionthe reaction was poured into a stirring solution of ether
  3. stirringThe mixture was stirred for 10 minutes
  4. filtrationfiltered
  5. washwashed with ether

Quellen und Nachweise

ORD-Eintrag
ord-9cbe67388a8647e2b9c7c7290e33ffb5
Quelldatensatz
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09045470B2

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