反应详情

Prepared as in Example I by reacting 2.64 g (0.02 m) of 5-methyl-4-oximino-1,3-oxathiolane, 4.47 g (0.02 m) of N-methyl-N-(2,4-dimethyl-3-oxo-2-pentanesulfenyl)carbamoyl chloride and 2.02 g (0.02 m) of triethylamine in 25 ml of dioxane. Crystallized from isopropyl etherto yield 1.2 g of a white solid, m.p. 90°-92° C.

1. customPrepared as in Example I
2. customCrystallized from isopropyl etherto yield 1.2 g of a white solid, m.p. 90°-92° C.