1: 5-methyl-2,4(1H,3H)-pyrimidinedione With N,O-bis-(trimethylsilyl)-acetamide in dichloromethane T=20°C; 0.5 h; Inert atmosphere; 2: 4-bromomethyl-fluorobenzene With tetra-(n-butyl)ammonium iodide in chlorobenzene T=20 - 160°C; 1.66667 h; Microwave irradiationInert atmosphere;