1-Cyclopropyl-7,8-difluoro-4-oxo-1,4-dihydrobenzo[b][1,8]naphthyridine-3-carboxylic acid → 1-Cyclopropyl-7-fluoro-8-(3-methyl-3-dimethylamino-1-azetidinyl)-4-oxo-1,4-dihydrobenzo[b][1,8]-naphthyridine-3-carboxylic acid
Reaction equation
[CH:1]1([N:4]2[C:13]3[N:12]=[C:11]4[CH:14]=[C:15](F)[C:16]([F:18])=[CH:17][C:10]4=[CH:9][C:8]=3[C:7](=[O:20])[C:6]([C:21]([OH:23])=[O:22])=[CH:5]2)[CH2:3][CH2:2]1.CS(O)(=O)=O.CS(O)(=O)=O.[CH3:34][C:35]1([N:39]([CH3:41])[CH3:40])[CH2:38][NH:37][CH2:36]1>>[CH:1]1([N:4]2[C:13]3[N:12]=[C:11]4[CH:14]=[C:15]([N:37]5[CH2:38][C:35]([CH3:34])([N:39]([CH3:41])[CH3:40])[CH2:36]5)[C:16]([F:18])=[CH:17][C:10]4=[CH:9][C:8]=3[C:7](=[O:20])[C:6]([C:21]([OH:23])=[O:22])=[CH:5]2)[CH2:2][CH2:3]1Participants
3
Reactant 2
Product 1
Procedure
1-Cyclopropyl-7-fluoro-8-(3-methyl-3-dimethylamino-1-azetidinyl)-4-oxo-1,4-dihydrobenzo[b][1,8]naphthyridine-3-carboxylic acid was prepared under the conditions of Example 15, but starting with 1.58 g of 1-cyclopropyl-7,8-difluoro-4-oxo-1,4-dihydrobenzo[b][1,8]naphthyridine-3-carboxylic acid and 2.45 g of 3-methyl-3-(dimethylamino)azetidine dimethanesulphonate. 1.55 g of 1-cyclopropyl-7-fluoro-8-(3-methyl-3-dimethylamino-1-azetidinyl)-4-oxo-1,4-dihydrobenzo[b][1,8]-naphthyridine-3-carboxylic acid are obtained in the form of a yellow solid, which decomposes at 268° C.
Workup
- custom1-Cyclopropyl-7-fluoro-8-(3-methyl-3-dimethylamino-1-azetidinyl)-4-oxo-1,4-dihydrobenzo[b][1,8]naphthyridine-3-carboxylic acid was prepared under the conditions of Example 15
Sources & evidence
- ORD record
- ord-3e84812effb84bac9faec10e0b288e1e
- Source dataset
- uspto-grants-1996_09
- Patent number
- US05556861
Reaction notes
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