Synthesis and crystal structure of new imidazolidine-2,4-dione and imidazolidin-2-one derivatives

Article abstract of DOI:10.1016/j.mencom.2008.03.018

Arylglyoxals condense with N-hydroxyurea in water via intermediate formation of N-hydroxy-N-[hydroxy(aroyl)]methylureas and 3,4,5-trihydroxy-5-arylimidazolidin-2-ones to yield 3-hydroxy-5-aryl-imidazolidine-2,4-diones as end products; the 3,4,5-trihydroxy