sodium hydrogen sulphate in sodium hydroxide; PhCH3; acetone

pyridinium chlorochromate in dichloromethane 2 h; Ambient temperature;

1: 87 percent / 12percent boron trifluoride / 6 h / Heating 2: 93 percent / lithium aluminium hydride / diethyl ether / 0.5 h / Heating 3: 85 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature View Scheme

phosphorus pentachloride; benzene Behandeln des erhaltenen Imidchlorids in 1.2-Dibrom-aethan mit einer aether. Loesung von HCl und SnCl2 bei 0grad und Behandeln des Reaktionsprodukts mit wss. HCl;

(Ph3P)2CuBH4 in acetone Ambient temperature; Yield given;

(i) NaOCl, aq. NaOH, (ii) LiAlH4, (iii) CrO3, Py; Multistep reaction;

1: 14 percent / aluminium chloride / nitrobenzene / 8.5 h / 0 - 25 °C 2: 55 percent / 2percent sodium hypochlorite / H2O / 24 h / Heating 3: 87 percent / 12percent boron trifluoride / 6 h / Heating 4: 93 percent / lithium aluminium hydride / diethyl ether / 0.5 h / Heating 5: 85 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature View Scheme

1: 93 percent / lithium aluminium hydride / diethyl ether / 0.5 h / Heating 2: 85 percent / pyridinium chlorochromate / CH2Cl2 / 2 h / Ambient temperature View Scheme

T=130°C; 168 h;

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