[CH3:1][O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([O:13][C:14]3[CH:19]=[CH:18][C:17]([NH:20][C:21]([C:23]4[C:24](=[O:54])[N:25]([C:48]5[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=5)[N:26]([CH2:29][C@H:30]([O:32][C:33](=[O:47])[CH2:34][N:35](C(OCC5C=CC=CC=5)=O)[CH3:36])[CH3:31])[C:27]=4[CH3:28])=[O:22])=[CH:16][C:15]=3[F:55])=[CH:8][CH:9]=[N:10]2)=[CH:5][CH:4]=1>CCOC(C)=O.CO.[Pd]>[CH3:36][NH:35][CH2:34][C:33]([O:32][C@H:30]([CH3:31])[CH2:29][N:26]1[C:27]([CH3:28])=[C:23]([C:21](=[O:22])[NH:20][C:17]2[CH:18]=[CH:19][C:14]([O:13][C:7]3[C:6]4[C:11](=[CH:12][C:3]([O:2][CH3:1])=[CH:4][CH:5]=4)[N:10]=[CH:9][CH:8]=3)=[C:15]([F:55])[CH:16]=2)[C:24](=[O:54])[N:25]1[C:48]1[CH:49]=[CH:50][CH:51]=[CH:52][CH:53]=1)=[O:47]To a solution of (R)-1-(4-(4-(7-methoxyquinolin-4-yloxy)-3-fluorophenylcarbamoyl)-2,3-dihydro-5-methyl-3-oxo-2-phenylpyrazol-1-yl)propan-2-yl-2-(N-benzyloxycarbo-nyl-N-methylamino)acetate (1.404 g, 1.876 mmol) in a mixture of EtOAc (100 mL) and MeOH (100 mL) was added catalytic amount of Pd/C (10%, ˜55% w/w water content, 100 mg) under N2 atmosphere. The suspension was degassed under vacuum and then purged with H2. The reaction mixture was stirred at rt for 1 h under H2 balloon. The mixture was filtered and the residue was washed with MeOH (50 mL×3). The filtrate used for the next step immediately.
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