[C:1]1([C:7]2[N:11]=[C:10]([C:12]3[CH:20]=[CH:19][C:15](C(O)=O)=[CH:14][CH:13]=3)[O:9][N:8]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.C(Cl)CCl.C1C=CC2N([OH:34])N=NC=2C=1.CC[N:37]([CH:41](C)C)C(C)C.CC(C)(C)CCN>CN(C=O)C.O>[C:1]1([C:7]2[N:11]=[C:10]([C:12]3[CH:13]=[CH:14][CH:15]=[CH:19][C:20]=3[C:41]([NH2:37])=[O:34])[O:9][N:8]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1To a solution of 4-(3-phenyl-1,2,4-oxadiazol-5-yl)benzoic acid (200 mg, 0.75 mmol) in DMF (2 mL) was added EDC (167 mg, 0.90 mmol), HOBt (122 mg, 0.90 mmol), DIPEA (200 mg, 1.50 mmol) and 3,3-dimethylbutylamine (113 mg, 1.12 mmol). The reaction was stirred at room temperature for 18 h. The reaction was diluted with water (10 mL) and isolated the white precipitate by vacuum filtration to afford N-(3,3-dimethylbutyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl-benzamide (248 mg, 95%). 1H-nmr (400 MHz, CDCl3) δ 8.31 (d, J=8 Hz, 2H), 8.23-8.17 (m, 2H), 7.95 (d, J=8 Hz, 2H), 7.59-7.52 (m, 3H), 6.12 (s, 1H), 3.57-3.51 (m, 2H) 1.62-1.58 (m, 2H), 1.02 (s, 9H); MS (ESI) m/z 349.9.
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