Hydrochloric Acid → HCID 67915663, compound
Reaction equation
C(OC([N:8]1[CH2:12][CH2:11][CH:10]([O:13][C:14]2[N:23]=[C:22]3[C:17]([C:18](=[O:37])[C:19]([C:32]([O:34]CC)=[O:33])=[CH:20][N:21]3[C:24]3[CH:29]=[CH:28][C:27]([F:30])=[CH:26][C:25]=3[F:31])=[CH:16][C:15]=2[F:38])[CH2:9]1)=O)(C)(C)C.[ClH:39]>C(O)(=O)C>[ClH:39].[NH:8]1[CH2:12][CH2:11][CH:10]([O:13][C:14]2[N:23]=[C:22]3[C:17]([C:18](=[O:37])[C:19]([C:32]([OH:34])=[O:33])=[CH:20][N:21]3[C:24]3[CH:29]=[CH:28][C:27]([F:30])=[CH:26][C:25]=3[F:31])=[CH:16][C:15]=2[F:38])[CH2:9]1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Ethyl 7-(1-t-butoxycarbonyl-3-pyrrolidinyloxy)-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate (220 mg), 0.7 ml of concentrated hydrochloric acid and 2.8 ml of acetic acid were used. The ester was treated in a similar manner to Example 1-(2) and recrystallized from ethanol, whereby 80 mg of the title compound was obtained.
Workup
- customrecrystallized from ethanol
Sources & evidence
- ORD record
- ord-acbda8e32c874c3992820d3c2f882477
- Source dataset
- uspto-grants-1992_10
- Patent number
- US05153203
Reaction notes
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