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5-(4-Hy-droxy-phen-yl)imidazolidine-2,4-dione
Jin-Hui Xue1, Yong-Qi Qin2, Zi-Feng Zhang1
1Department of Chemistry and Chemical Engineering, Lvliang University, Lvliang, Shanxi 033001, People's Republic of China.
Abstract:
The title compound, C9H8N2O3, was prepared by reaction of phenol, glyoxylic acid and urea in water. The imidazolidine ring adopts an almost planar conformation (r.m.s. deviation = 0.012 Å) and is twisted by 89.3 (1)° relative to the benzene ring. In the crystal, mol-ecules are linked by N-H⋯O and O-H⋯O hydrogen bonds into a three-dimensional framework.