Sodium ethoxide → 7-[(E)-2-(2-Butoxy-3-methoxyphenyl)-1-ethenyl]-6-[4-(trifluoromethyl)phenyl]-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one

Reaction equation

[CH3:1][C:2]1[N:3]=[C:4]2[S:21][CH:20]=[CH:19][N:5]2[C:6](=[O:18])[C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][CH:9]=1.[CH2:22]([O:26][C:27]1[C:34]([O:35][CH3:36])=[CH:33][CH:32]=[CH:31][C:28]=1[CH:29]=O)[CH2:23][CH2:24][CH3:25].[O-]CC.[Na+]>C(O)C>[CH2:22]([O:26][C:27]1[C:34]([O:35][CH3:36])=[CH:33][CH:32]=[CH:31][C:28]=1/[CH:29]=[CH:1]/[C:2]1[N:3]=[C:4]2[S:21][CH:20]=[CH:19][N:5]2[C:6](=[O:18])[C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:15])[F:16])=[CH:10][CH:9]=1)[CH2:23][CH2:24][CH3:25]