Lithium Hydroxide → 1-(3-Chlorobenzyl)-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid
Reaction equation
C([O:3][C:4]([C:6]1[C:15](=[O:16])[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[N:8]([CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[C:20]([Cl:24])[CH:19]=2)[CH:7]=1)=[O:5])C.[OH-].[Li+]>CO.O>[Cl:24][C:20]1[CH:19]=[C:18]([CH:23]=[CH:22][CH:21]=1)[CH2:17][N:8]1[C:9]2[C:14](=[CH:13][CH:12]=[CH:11][CH:10]=2)[C:15](=[O:16])[C:6]([C:4]([OH:5])=[O:3])=[CH:7]1Participants
4
Procedure
Experimental conditions analogous to those described for Step 4 of Example 60, from 7.00 g (20.5 mmol) of 1-(3-chloro-benzyl)-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester, 200 mL of 1:1 methanol-water mixture and 0.98 g (41.0 mmol) of lithium hydroxide with a work-up consisting only of thorough evaporation of solvents. The residue was directly taken to step 3.
Workup
- customconsisting only of thorough evaporation of solvents
Sources & evidence
- ORD record
- ord-22078874332e41beb1fadd9ab8a286fc
- Source dataset
- uspto-grants-2009_07
- Patent number
- US07557213B2
Reaction notes
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