1: cyclohexanecarboxylic acid With 4-(N,N-dimethlyamino)pyridine; DMNBA; triethylamine in dichloromethane T=20°C; 0.166667 h; Inert atmosphere; 2: Hydrocinnamic alcohol in dichloromethane T=20°C; 20 h; Inert atmosphere; chemoselective reaction;

4-(N,N-dimethlyamino)pyridine in benzene T=20°C;

tetrachlorosilane; silver trifluoromethanesulfonate in toluene T=60°C; 15 h;

4-(N,N-dimethlyamino)pyridine; 2-azidoethanol in dichloromethane T=20°C;

1: 2,4,6-trichlorobenzoyl chloride; cyclohexanecarboxylic acid With triethylamine in tetrahydrofuran T=20°C; Yamaguchi reaction; Inert atmosphere; 2: Hydrocinnamic alcohol With 4-(N,N-dimethlyamino)pyridine in benzene T=20°C; Yamaguchi reaction; Inert atmosphere; chemoselective reaction;

tin(II) trifluoromethanesulfonate; p-trifluoromethylthiobenzoic anhydride in dichloromethane 3 h; Ambient temperature;

1: Et3N / tetrahydrofuran / 20 °C 2: 89 percent / 4-(dimethylamino)pyridine / benzene / 20 °C View Scheme