Lithium Hydroxide → 2-((2,2,2-Trifluoroethyl)amino)quinoline-7-carboxylic acid

HRID 537193Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 537193
[F:1][C:2]([F:20])([F:19])[CH2:3][NH:4][C:5]1[CH:14]=[CH:13][C:12]2[C:7](=[CH:8][C:9]([C:15]([O:17]C)=[O:16])=[CH:10][CH:11]=2)[N:6]=1.[OH-].[Li+]>O1CCCC1>[F:20][C:2]([F:1])([F:19])[CH2:3][NH:4][C:5]1[CH:14]=[CH:13][C:12]2[C:7](=[CH:8][C:9]([C:15]([OH:17])=[O:16])=[CH:10][CH:11]=2)[N:6]=1

Komponenten

4

Edukt 2

HCID 3939Lithium HydroxideHCID 67491717Methyl 2-((2,2,2-trifluoroethyl)amino)quinoline-7-carboxylate

Produkt 1

HCID 674915972-((2,2,2-Trifluoroethyl)amino)quinoline-7-carboxylic acidAusbeute 40 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of methyl 2-((2,2,2-trifluoroethyl)amino)quinoline-7-carboxylate (172 mg, 0.605 mmol) in tetrahydrofuran (5 mL) was added aqueous lithium hydroxide (1.82 mL, 1.82 mmol, 1M solution) at room temperature. The reaction was stirred for 2.5 days. The solvent was removed under reduced pressure and the residue was acidified with 1N aqueous hydrochloric acid. The resulting precipitate was filtered and dried to give the title compound (65 mg, 40%) +ESI (M+H) 271.1, 1H NMR (400 MHz, DMSO-d6, δ): 4.31-4.41 (m, 2H) 7.01 (d, J=8.87 Hz, 1H) 7.69-7.80 (m, 2H) 8.06 (d, J=8.66 Hz, 1H) 8.14 (s, 1H) 13.03 (bs, 1H)

Aufarbeitung

  1. customThe solvent was removed under reduced pressure
  2. filtrationThe resulting precipitate was filtered
  3. customdried

Quellen und Nachweise

ORD-Eintrag
ord-2992c76ca7484a5fb6f1c754cf1476a3
Quelldatensatz
uspto-grants-2014_10
Patentnummer
US08859773B2

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