hexadecylammonium chloride; hexadecylamine; H2 in 1,3,5-trimethyl-benzene mixt. of hexadecylammonium chloride and hexadecylamine added to Fe-compound in mesitylene, stirred for 20 min at 90°C, pressurised under 3 bars of H2, heated at 150°C for 48 h; filtered, washed with toluene;