5,5′-Thiobis(3-methoxy-4H-1,2,6-thiadiazin-4-one)
Abstract
The reaction of 3-chloro-5-methoxy-4H-1,2,6-thiadiazin-4-one (9) with Na2S· 9H2O (0.5 equiv) in tetrahydrofuran (THF) at ca. 20 ° C for 20 h gives 5,5&prime -thiobis(3-methoxy-4H-1,2,6-thiadiazin-4-one) (10) in a 44% yield as yellow needles. The compound was fully characterized.