1: methanecarbohydroxamic acid With 4-methyl-morpholine; 2,4,6-trichloro-1,3,5-triazine in dichloroethane T=0°C; Lossen rearrangement; 1.5 h; Inert atmosphere; 2: thiophenol in dichloroethane T=0 - 84°C; Lossen rearrangement; 15 h; Inert atmosphere;

1: 1-(tert-butylimino-methyl)-1,3-dimethylurea hydrochloride With triethylamine in tetrahydrofuran T=20°C; 0.0833333 h; 2: thiophenol in tetrahydrofuran 12 h; Heating;

1,4-dioxane

trichlorophosphate T=70°C; 10 h;

hydrogenchloride; N-chloro-succinimide in acetonitrile T=10°C;