title: (Z)-6-{[1,3-Dihydroxy-2-(hydroxymethyl)propan-2-yliminio]methyl}-2-ethoxyphenolate, (Z)-6-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yliminio]methyl}-4-nitratocyclohexa-2,4-dienone monohydrate and (R,E)-2-[(1-hydroxybutan-2-ylimino)methyl]phenol.
abstract: The title compounds C(13)H(19)NO(5), C(11)H(14)N(2)O(6)xH(2)O and C(11)H(15)NO(2), respectively, have been derived from 3-ethoxysalicylaldehyde, 5-nitrosalicylaldehyde and salicylaldehyde, respectively. The C-O and N-C bond distances, and three hydrogen bonds formed by the phenolate O atom, show that the zwitterionic form exists in the first compound. The second compound is transformed to the quinoid form as a result of resonance between the zwitterionic form and the nitro group. The third compound exists in the phenol-imine form, with appropriate C-N and C-O bond distances.
authors.affiliation: Department of Physics, Ondokuz Mayis University, TR-55139 Samsun, Turkey. syuce@omu.edu.tr
authors.forename: Süheyla
authors.initials: S
authors.lastname: Yüce
authors.forename: Ciğdem
authors.initials: C
authors.lastname: Albayrak
authors.forename: Mustafa
authors.initials: M
authors.lastname: Odabaşoğlu
authors.forename: Orhan
authors.initials: O
authors.lastname: Büyükgüngör
mesh_terms: D006574:Heterocyclic Compounds, 2-Ring / Q000737:chemistry*; D015394:Molecular Structure; D010636:Phenols / Q000737:chemistry*
chemical_list: D006574:Heterocyclic Compounds, 2-Ring; D010636:Phenols