1: tetrahydrothiopyran-4-one With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=-78°C; 0.5 h; 2: N,N-bis(trifluoromethanesulfonyl)aniline in tetrahydrofuran; hexane T=20°C; 4 h;

1: With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=0°C; 0.25 h; 2: tetrahydrothiopyran-4-one in tetrahydrofuran; hexane T=-78°C; 0.333333 h; 3: N,N-bis(trifluoromethanesulfonyl)aniline in tetrahydrofuran; hexane T=-78 - 20°C;

1: tetrahydrothiopyran-4-one With lithium diisopropyl amide in tetrahydrofuran T=-78 - 20°C; 0.5 h; 2: N-phenyl-1,1,1-trifluoromethanesulfonamide in tetrahydrofuran T=-78 - 20°C; 0.5 h;

1: tetrahydrothiopyran-4-one With lithium diisopropyl amide in tetrahydrofuran T=-78°C; 1 h; 2: N-(5-chloropyridin-2-yl)-1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide in tetrahydrofuran T=-78 - 20°C;

potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct in dimethyl sulfoxide T=70°C; 12 h;