6-Aminobenzothiazole → (2E)-N-Benzothiazol-6-yl-3-[2-bromo-4-(trifluoromethyl)phenyl]prop-2-enamide
반응식
[Br:1][C:2]1[CH:7]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:5]=[CH:4][C:3]=1/[CH:12]=[CH:13]/[C:14]([OH:16])=O.[NH2:17][C:18]1[CH:26]=[CH:25][C:21]2[N:22]=[CH:23][S:24][C:20]=2[CH:19]=1>>[S:24]1[C:20]2[CH:19]=[C:18]([NH:17][C:14](=[O:16])/[CH:13]=[CH:12]/[C:3]3[CH:4]=[CH:5][C:6]([C:8]([F:9])([F:10])[F:11])=[CH:7][C:2]=3[Br:1])[CH:26]=[CH:25][C:21]=2[N:22]=[CH:23]1참가 물질
3
실험 절차
Analogous to the procedure used to prepare Example 1, (2E)-3-[2-bromo-4-(trifluoromethyl)phenyl]prop-2-enoic acid, Example 97(e), (140 mg, 0.47 mmol) and 6-aminobenzothiazole (86 mg, 0.57 mmol, Lancaster) provided, after purification by silica gel chromatography (gradient: 0-30% EtOAc in hexane), the title product as an off-white solid. MP 214-215° C. MS (ESI, pos. ion) m/z: 427 (M+1).
후처리
- customprovided
- customafter purification by silica gel chromatography (gradient: 0-30% EtOAc in hexane)