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

Reaction equation

[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([C:9]2[C:14](=[O:15])[N:13]3[CH:16]=[CH:17][S:18][C:12]3=[N:11][C:10]=2[CH3:19])=[CH:5][CH:4]=1.[CH:20]1([CH2:23][O:24][C:25]2[C:32]([O:33][CH3:34])=[CH:31][CH:30]=[CH:29][C:26]=2[CH:27]=O)[CH2:22][CH2:21]1.[O-]CC.[Na+]>C(O)C>[CH:20]1([CH2:23][O:24][C:25]2[C:32]([O:33][CH3:34])=[CH:31][CH:30]=[CH:29][C:26]=2/[CH:27]=[CH:19]/[C:10]2[N:11]=[C:12]3[S:18][CH:17]=[CH:16][N:13]3[C:14](=[O:15])[C:9]=2[C:6]2[CH:5]=[CH:4][C:3]([O:2][CH3:1])=[CH:8][CH:7]=2)[CH2:21][CH2:22]1