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Dimethylformamide → 1-(6-Amino-3,5-difluoro-2-pyridyl)-8-bromo-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-quinoline-3-carboxylic acid

HRID 1274748
Notes
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Reaction equation

HRID 1274748 reaction equation
CN(C)C=O.[NH2:6][C:7]1[N:12]=[C:11]([N:13]2[C:22]3[C:17](=[CH:18][C:19]([F:25])=[C:20](F)[C:21]=3[Br:23])[C:16](=[O:26])[C:15]([C:27]([OH:29])=[O:28])=[CH:14]2)[C:10]([F:30])=[CH:9][C:8]=1[F:31].Cl.[OH:33][CH:34]1[CH2:37][NH:36][CH2:35]1.CN1CCCC1>C(O)C>[NH2:6][C:7]1[N:12]=[C:11]([N:13]2[C:22]3[C:17](=[CH:18][C:19]([F:25])=[C:20]([N:36]4[CH2:37][CH:34]([OH:33])[CH2:35]4)[C:21]=3[Br:23])[C:16](=[O:26])[C:15]([C:27]([OH:29])=[O:28])=[CH:14]2)[C:10]([F:30])=[CH:9][C:8]=1[F:31]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 84541-MethylpyrrolidineHCID 27592903-Hydroxyazetidine hydrochlorideHCID 154869771-(6-Amino-3,5-difluoropyridin-2-yl)-8-bromo-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

Product 1

HCID 5105771-(6-Amino-3,5-difluoro-2-pyridyl)-8-bromo-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-quinoline-3-carboxylic acid
Yield 81.8%

Reagents, catalysts & solvents 2

HCID 702EthanolCatalystHCID 702EthanolSolvent

Conditions

Temperature
85 °C

Procedure

To 270 mg of N,N-dimethylformamide were added 110 mg of 1-(6-amino-3,5-difluoropyridine-2-yl)-8-bromo-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 50 mg of 3-hydroxyazetidine hydrochloride, and 100 mg of N-methylpyrrolidine together with 3 drops of ethanol, and the mixture was stirred at 85° C. for 25 minutes. After adding 0.5 ml of ethanol, the solution was allowed to cool, and the precipitate was collected by filtration and washed with ethanol and diisopropylether successively to obtain 101 mg of the title compound as a pale yellow powder.

Workup

  1. temperatureto cool
  2. filtrationthe precipitate was collected by filtration
  3. washwashed with ethanol and diisopropylether successively

Sources & evidence

ORD record
ord-4ae489a545784ecb8064151966c48b0b
Source dataset
uspto-grants-2000_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06156903

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes