aluminum oxide; nickel sulphate in various solvent(s) T=305°C; fixed, quartz powder bed tubular reactor; gaseous phase in N2 flow; varied: temperature 280 to 330 deg C; N2 flow; quartz powder/catalyst ratio; residence time; substrates other alkylated phenols too; Product distribution;

sodium carbonate; silica gel in tetrachloromethane 24 h; Heating;

sulfuric acid T=60 - 70°C;

sulfuric acid T=70°C;

sulfuric acid; sodium nitrite Kochen der erhaltenen Diazoniumsalz-Loesung;