Triethylamine → 2-[[O-[N-Methyl-N-(4-methylphenylthiosulfenyl)carbamoyl]oximino]]-3,5,5-trimethylthiazolidin-4-one

Participants

Reaction Steps

2-[[O-[N-Methyl-N-(4-methylphenylthiosulfenyl)carbamoyl]oximino]]-3,5,5-trimethylthiazolidin-4-one was prepared according to the procedure described in Example I, by reacting 5.0 g (0.0287 m) of 3,5,5-trimethyl-2-oximino thiazolidin-4-one, 6.64 g (0.028 m) of N-methyl-N-(4-methylphenylthiosulfenyl)carbamoyl fluoride and 2.9 g (0.0287 m) of triethylamine in 50 ml of dioxane. 2-[[O-[N-Methyl-N-(4-methylphenylthiosulfenyl)carbamoyl]oximino]]-3,5,5-trimethylthiazolidin-4-one was crystallized from ethylacetate-hexane to yield 8.0 g of solid, m.p. 116°-118° C. It was then recrystallized from ethyl acetate isopropyl ether, to yield a solid, m.p. 123°-125° C.

Provenance & Evidence