sodium hydrogencarbonate in water T=100°C; 0.25 h;

1: (rac)-4-phenyl-1,3-oxazolidine-2-thione With Birman's catalyst; N-ethyl-N,N-diisopropylamine in chloroform T=23°C; Resolution of racemate; 2: isobutyric anhydride With sodium sulfate in chloroform T=23°C; 1 h; Resolution of racemate; enantioselective reaction;

1: (rac)-4-phenyl-1,3-oxazolidine-2-thione With Birman's catalyst; N-ethyl-N,N-diisopropylamine in chloroform T=23°C; Resolution of racemate; 2: isobutyric anhydride With sodium sulfate in chloroform T=23°C; 1 h; Resolution of racemate; enantioselective reaction;

1H-imidazole; 4-(N,N-dimethlyamino)pyridine

methyloxirane in chloroform T=150°C; 1 h; Inert atmosphereMicrowave irradiation;

carbon disulfide; potassium hydroxide in water T=100°C; 16 h;