(i) BH3, THF, (ii) Me3NO*2H2O, (MeOCH2CH2)2O; Multistep reaction;

tetrachloromethane; triphenylphosphine in acetonitrile Mechanism;

toluene-4-sulfonic acid

tetrachlorosilane; zinc(II) chloride anschliessendes Behandeln mit Wasser;

water; titanium tetrachloride 1.) reflux, 32 h, 2.) ether, 15 min; Yield given. Multistep reaction. Yields of byproduct given;

sodium hydroxide; 9-borabicyclo[3.3.1]nonane dimer; dihydrogen peroxide 1) THF, 25 deg C, 2 h; Product distribution;

暂无反应条件数据

2: pyridinium chlorochromate; NaOAc; molecular sieves / CH2Cl2 / 1 h / Ambient temperature 3: 1.) n-BuLi in n-hexane/diisopropylamine / 1.) THF, -74 deg C, 80 min,2.) -70 deg C, 30 min 4: 84 percent / (i-Pr)2NEt / CH2Cl2 / 89 h / Ambient temperature 5: 82 percent / p-toluenesulfonic acid monohydrate / methanol / 2 h / Ambient temperature 6: 84 percent / quinoline; H2 / 5percent Pd/BaSO4 / methanol / Ambient temperature 7: LiOH*H2O / H2O; tetrahydrofuran / 5 h / Ambient temperature 8: 1.) 2,4,6-trichlorobenzoyl chloride, NEt3,2.) 4-(dimethylamino)pyridine / 1.) THF, room temp., 8.5 h, 2.) toluene, reflux, 11.5 h 9: TiCl4 / CH2Cl2 / 0.02 h / 0 °C 10: 5.7 mg / pyridinium dichromate / CH2Cl2 / 24 h / Ambient temperature View Scheme

magnesium oxide; lithium trifluoromethane sulfonate; lithium tetrakis(pentafluorophenyl)-borate in dichloromethane; cyclohexane T=20°C; 24 h;

1: 62 percent / KI / 2-methoxy-ethanol; H2O / 4 h / 90 - 100 °C 2: 79 percent / SOCl2, pyridine / benzene / 2 h / Heating 3: 88 percent / conc. HCl / acetic acid / 6 h / Heating View Scheme