Process for preparing tetrahydro-1,3-oxazin-2-ones

摘要

Tetrahydro-1,3-oxazin-2-ones are prepared by contacting a 1,3-dioxan-2-one with an acyclic carbamate at a temperature from about 100 DEG C. to about 250 DEG C. in the presence of a catalytic amount of an alkali metal salt.