1: phenyllithium With copper (I) cyanide in tetrahydrofuran; anhydrous butyl ether T=-78 - -30°C; Inert atmosphere; 2: 2-methyl-5-(2-methylaziridin-1-ylsulfonyl)-1,3,4-thiadiazole in tetrahydrofuran; anhydrous butyl ether T=-78 - -50°C; Inert atmosphere;