Dichloromethane → ethyl 8-(phenylethynyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)-2H-chromene-3-carboxylate

Reaction equation

I[C:2]1[CH:3]=[C:4]([O:21][C:22]([F:25])([F:24])[F:23])[CH:5]=[C:6]2[C:11]=1[O:10][CH:9]([C:12]([F:15])([F:14])[F:13])[C:8]([C:16]([O:18][CH2:19][CH3:20])=[O:17])=[CH:7]2.[C:26]1([C:32]#[CH:33])[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1.C(Cl)Cl>C1(C)C=CC=CC=1.[Cl-].[Na+].O.[Cu]I.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[C:26]1([C:32]#[C:33][C:2]2[CH:3]=[C:4]([O:21][C:22]([F:23])([F:25])[F:24])[CH:5]=[C:6]3[C:11]=2[O:10][CH:9]([C:12]([F:14])([F:15])[F:13])[C:8]([C:16]([O:18][CH2:19][CH3:20])=[O:17])=[CH:7]3)[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1