N Katagiri, H Sato, A Kurimoto, M Okada… - The Journal of …, 1994 - ACS Publications
Reaction of 5-isonitroso-2, 2-dimethyl-l, 3-dioxane-4, 6-dione with various ketones under
reflux in toluene gives 3-oxazolin-5-one 3-oxides (cyclic nitrones) via a nitrosoketene …