Triethylamine → 5-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-2-methyl-4-oxo-7-[2-(2-pyridylamino)ethylamino]quinoline-3-carboxylic acid

HRID 561150

Reaktionsgleichung

Reaktionsgleichung von HRID 561150
[NH2:1][C:2]1[C:11]([F:12])=[C:10](F)[C:9]([O:14][CH3:15])=[C:8]2[C:3]=1[C:4](=[O:23])[C:5]([C:20]([OH:22])=[O:21])=[C:6]([CH3:19])[N:7]2[CH:16]1[CH2:18][CH2:17]1.[N:24]1[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=1[NH:30][CH2:31][CH2:32][NH2:33].C(N(CC)CC)C.[NH4+].[Cl-]>CS(C)=O.O>[NH2:1][C:2]1[C:11]([F:12])=[C:10]([NH:33][CH2:32][CH2:31][NH:30][C:25]2[CH:26]=[CH:27][CH:28]=[CH:29][N:24]=2)[C:9]([O:14][CH3:15])=[C:8]2[C:3]=1[C:4](=[O:23])[C:5]([C:20]([OH:22])=[O:21])=[C:6]([CH3:19])[N:7]2[CH:16]1[CH2:17][CH2:18]1

Komponenten

7

Edukt 4

HCID 8471TriethylamineHCID 25517Ammonium ChlorideHCID 410428N~1~-(Pyridin-2-yl)ethane-1,2-diamineHCID 590029525-Amino-1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-2-methyl-4-oxoquinoline-3-carboxylic acid

Produkt 1

HCID 247542565-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-2-methyl-4-oxo-7-[2-(2-pyridylamino)ethylamino]quinoline-3-carboxylic acidAusbeute 42 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 679Dimethyl SulfoxideLösungsmittelHCID 962WaterLösungsmittel

Versuchsvorschrift

A solution of 5-amino-1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-2-methyl-4-oxoquinoline-3-carboxylic acid (140 mg, 0.432 mmol), N-2-pyridyl-1,2-ethanediamine (88.9 mg, 0.648 mmol) and triethylamine (0.0903 mL, 0.648 mmol) in DMSO (4 mL) was stirred at 100° C. for 2 h. To the reaction mixture, water and NH4Cl was added to neutralize and the suspension was stirred for 30 min. The crude product was extracted with EtOAc, washed with brine, dried over MgSO4 and the sovent was removed in vacuo. The crude product was purified by preparative thin layer chromatography (Hexane:EtOAc 1:4) to yield 5-amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-2-methyl-4-oxo-7-[2-(2-pyridylamino)ethylamino]quinoline-3-carboxylic acid (79.9 mg, 42%) as a yellow amorphous solid.

Aufarbeitung

  1. extractionThe crude product was extracted with EtOAc
  2. washwashed with brine
  3. dry with materialdried over MgSO4
  4. customthe sovent was removed in vacuo
  5. customThe crude product was purified by preparative thin layer chromatography (Hexane:EtOAc 1:4)

Quellen und Nachweise

ORD-Eintrag
ord-381aba9d66aa4c8bac901bfbe289bb89
Quelldatensatz
uspto-grants-2011_11
Patentnummer
US08063221B2

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