Trifluoroacetic acid → HCID 59504632, compound
Reaction equation
[CH3:1][C:2]1[N:6]([CH2:7][C:8]2[CH:13]=[CH:12][C:11]([CH3:14])=[CH:10][CH:9]=2)[N:5]=[C:4]([C:15]2[O:19][N:18]=[C:17]([C:20]3[CH:25]=[CH:24][C:23]([NH:26]C(=O)OC(C)(C)C)=[CH:22][CH:21]=3)[N:16]=2)[CH:3]=1.FC(F)(F)C(O)=O>ClCCl>[CH3:1][C:2]1[N:6]([CH2:7][C:8]2[CH:9]=[CH:10][C:11]([CH3:14])=[CH:12][CH:13]=2)[N:5]=[C:4]([C:15]2[O:19][N:18]=[C:17]([C:20]3[CH:25]=[CH:24][C:23]([NH2:26])=[CH:22][CH:21]=3)[N:16]=2)[CH:3]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
To a solution of tert-butyl (4-{5-[5-methyl-1-(4-methylbenzyl)-1H-pyrazol-3-yl]-1,2,4-oxadiazol-3-yl}phenyl)carbamate (Example 101, 1.0 g, 2.25 mmol) in dichloromethane (20 mL) was added trifluoroacetic acid (5 mL). The reaction mixture was stirred at rt for 1 h. The solvent was removed in vacuo and the residue was re-dissolved in ethyl acetate. After washing with saturated aqueous sodium bicarbonate, the solvent was removed and the title compound was obtained as an off-white solid (770 mg, 99%): 1H NMR (400 MHz, CDCl3) 8.00 (d, 2H), 7.13 (d, 2H), 7.07 (d, 2H), 6.76 (s, 1H), 6.73 (d, 2H), 5.40 (s, 2H), 3.92 (broad, 2H), 2.32 (s, 3H), 2.23 (s, 3H); ES-MS m/z 346, HPLC RT (Method D) 2.48 min.
Workup
- customThe solvent was removed in vacuo
- dissolutionthe residue was re-dissolved in ethyl acetate
- washAfter washing with saturated aqueous sodium bicarbonate
- customthe solvent was removed
Sources & evidence
- ORD record
- ord-1e01e1bd56724f01867d1b8257827ade
- Source dataset
- uspto-grants-2014_08
- Patent number
- US08796253B2
Reaction notes
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