1: 1-pyrenecarboxylic acid With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride in N,N-dimethyl-formamide T=20°C; 0.25 h; 2: monopropargylamine in N,N-dimethyl-formamide T=20°C; 2.5 h;

triethylamine in chloroform T=0 - 20°C; 19 h;

1: thionyl chloride / 2 h / Inert atmosphere; Reflux 2: triethylamine / chloroform / 19 h / 0 - 20 °C View Scheme