1: 2-pyrimidinyl chloride With N-tetramethylpiperidine magnesium chloride; lithium chloride in tetrahydrofuran T=-55°C; 2 h; 2: methanethiosulfonic acid S-methyl ester in tetrahydrofuran T=-55°C;

water in tetrahydrofuran T=-10 - 20°C;

trichlorophosphate

3-chloro-benzenecarboperoxoic acid in dichloromethane T=20°C; 18 h;