Dimerization of aromatic ureido pyrimidinedione derivatives: observation of an unexpected tautomer in the solid state
作者:Lu Cui、Suresh Gadde、Atindra D. Shukla、Hao Sun、Joel T. Mague、Angel E. Kaifer
DOI:10.1039/b717285k
日期:——
Ureido pyrimidinedione derivatives with phenyl, 1-naphthyl and 2-naphthyl substituents form stable dimers via quadruple hydrogen bonding, but the 1-naphthyl derivative presents an unexpected tautomer in the solid state.