1: 80 percent / pyridine / 12 h 2: 98 percent / acetic acid, H2SO4 / 22 h / Ambient temperature 3: 90 percent / SnCl4 / acetonitrile / 2 h / Ambient temperature 4: 89 percent / H2SO4 / acetonitrile; H2O / 18 h / 75 °C 5: 95 percent / pyridine / 36 h / Ambient temperature 6: 60 percent / NaI / 1,2-dimethoxy-ethane / 20 h / Heating 7: 85 percent / sodium methoxide / methanol / 4 h / Ambient temperature View Scheme

1: Dess-Martin periodane / dichloromethane / 5 h / 20 °C 2: sodium tetrahydroborate / methanol / 3 h / 20 °C 3: sodium hydride / N,N-dimethyl-formamide / 0 °C View Scheme

pyridine; copper(II) sulfate; N,N-di-methylaminopyridine in dichloromethane; water

triethylamine in dichloromethane T=0°C;

Candida antarctica lipase B immobilized on polyacrylate in tetrahydrofuran T=40°C; 1.16667 h; Reagent/catalystSolvent; regioselective reaction;

暂无反应条件数据

in dichloromethane

1: aq. HCl / 20 °C 2: triethylamine / CH2Cl2 / 3 h / 0 °C View Scheme

1: CuSO4; H2SO4 2: aq. HCl / 20 °C 3: triethylamine / CH2Cl2 / 3 h / 0 °C View Scheme

pyridine