title: 8-[(1E)-1-(2-Aminophenyl-iminio)eth-yl]-2-oxo-2H-chromen-7-olate.
abstract: The title Schiff base, C(17)H(14)N(2)O(3), exists as an NH tautomer with the H atom of the phenol group transferred to the imine N atom. The iminium H atom is involved in a strong intra-molecular N(+)-H⋯O(-) hydrogen bond to the phenolate O atom, forming an S(6) motif. In the crystal structure, N-H⋯O hydrogen bonds form a C(9) chain parallel to [100] and a C(11) chain parallel to [010], while C-H⋯O hydrogen bonds form a C(11) chain parallel to [010]. The combination of N-H⋯O and C-H⋯O hydrogen bonds generates R(4) (3)(30) rings parallel to the ab plane.
authors: E S
authors: ES
authors: Aazam
authors: A F
authors: AF
authors: El Husseiny
authors: H M
authors: HM
authors: Al-Amri
authors: Orhan
authors: O
authors: Büyükgüngör
references: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references: 18156677
references: Spectrochim Acta A Mol Biomol Spectrosc. 2010 Jan;75(1):347-54
references: 19962341