pyridine Acetylation;

sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide 1.) THF, 1.5 h, 2.) THF, 1 h; Yield given. Multistep reaction. Yields of byproduct given;

manganese(IV) oxide in dichloromethane T=20°C; 24 h;

sodium hydroxide; dimethylsulfide borane complex; dihydrogen peroxide 1.) THF, 1.5 h, 2.) THF, 1 h; Yield given. Multistep reaction. Yields of byproduct given;

1: 3-(3,4-dimethoxyphenyl)-2-propenoic acid With 1,1'-carbonyldiimidazole in tetrahydrofuran T=45°C; 0.25 h; 2: (E)-3-(3,4-dimethoxyphenyl)allyl alcohol With 1,8-diazabicyclo[5.4.0]undec-7-ene in tetrahydrofuran T=45°C; 24 h;

Multi-step reaction with 2 steps 1: piperidine; pyridine / 4 h / 118 °C2: 56 percent / LAH / tetrahydrofuran / 4 h / 20 °C