[CH3:1][C:2]1[N:7]=[C:6]([N:8]2[CH2:13][CH2:12][C:11](=[CH:14][C:15]#[CH:16])[CH2:10][CH2:9]2)[C:5]([N+:17]([O-:19])=[O:18])=[CH:4][CH:3]=1.C[Si](C)(C)C#CC=C1CCNCC1.Br[C:34]1[CH:35]=[C:36]([CH2:40][C:41](=[O:43])[CH3:42])[CH:37]=[CH:38][CH:39]=1.O.[F-].C([N+](CCCC)(CCCC)CCCC)CCC>>[CH3:1][C:2]1[N:7]=[C:6]([N:8]2[CH2:13][CH2:12][C:11](=[CH:14][C:15]#[C:16][C:36]3([CH2:40][C:41](=[O:43])[CH3:42])[CH:35]=[CH:34][CH:39]=[CH:38][CH2:37]3)[CH2:10][CH2:9]2)[C:5]([N+:17]([O-:19])=[O:18])=[CH:4][CH:3]=1The title Compound was prepared from Compound 274c following the procedure described for the compound of Example 274 using 3-bromophenylacetone instead of 1-bromo-3,5-difluorobenzene and adding 1 molar equivalent of tetrabutylammonium fluoride monohydrate to the starting reaction mixture. After the work-up, the residue was purified by automated flash liquid chromatography (SP1™-Biotage) eluting with PE-EtOAc gradient from 9:1 to 7:3 affording the title product. Orange oil. Yield: 41%.
Wird geladen…