2,3-dicyano-5,6-dichloro-p-benzoquinone in benzene 4 h; Heating;

hydrogenchloride; aluminium trichloride in carbon disulfide Ambient temperature; Further byproducts given;

1: 61 percent / KOH / benzene; ethanol 2: 97 percent / m-chloroperbenzoic acid / CHCl3 / 48 h / Ambient temperature 3: 77 percent / 500 °C / 2 - 3 Torr 4: 91 percent / I2 / benzene / 6 h / 60 °C / other 13-substituted 5-tert-butyl-8-methoxy<2.2>methacyclophanes, various reaction times and iodine molar concentrations 5: 98 percent / AlCl3-CH3NO2 / benzene / 2 h / Ambient temperature 6: 83 percent / DDQ / benzene / 4 h / Heating View Scheme

1: 98 percent / AlCl3-CH3NO2 / benzene / 2 h / Ambient temperature 2: 83 percent / DDQ / benzene / 4 h / Heating View Scheme

1: 91 percent / I2 / benzene / 6 h / 60 °C / other 13-substituted 5-tert-butyl-8-methoxy<2.2>methacyclophanes, various reaction times and iodine molar concentrations 2: 98 percent / AlCl3-CH3NO2 / benzene / 2 h / Ambient temperature 3: 83 percent / DDQ / benzene / 4 h / Heating View Scheme

hydrazine hydrate T=200°C;

lithium aluminium tetrahydride; diethyl ether

carbon disulfide; aluminium trichloride; malonyl bromide Erhitzen des Reaktionsprodukts mit Zink-Pulver, ZnCl2 und NaCl auf 250-290grad;

2: 33 percent / oleic acid, sulphur / 0.25 h / 180 °C View Scheme

1: LiAlH4 2: PCl5; benzene 3: LiAlH4; diethyl ether View Scheme