p-Chlorophenacyl bromide → 5-(4-Chlorophenyl)-3,6-dihydro-1,3,4-thiadiazin-2-one

Beteiligte Stoffe

Reaktionsschritte

A mixture of 2-bromo-p-chloroacetophenone (9.16 g), methoxythiocarbonylhydrazine (13.0 g) and acetonitrile (75 ml) was refluxed overnight and then cooled and filtered. The light yellow solid was washed with hexane and dried yielding 5-(4-chlorophenyl)-3H,6H-1,3,4-thiadiazin-2-one (4.3 g).

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