| http://www.w3.org/ns/prov#value | - ogen.This process allows the preparation of the compounds of formula I under mild conditions and in good yields.In the above synthesis, when compound V is an aromatic aldehyde, the N-acetylhydantoin and the aldehyde are reacted together in an organic solvent, in the presence of a base such as triethylamine, at a temperature from ambient temperature to thereflux temperature of the solvent.In the ab
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