1-((e) Iminometh-Yl)Naphthalen a Schiff Base Compound Having Both Oh and Nh Character

Abstract

The title Schiff base compound, C28H26N2O2, possesses both OH and NH tautomeric character in its mol-ecular structure. While the OH side of the compound is described as an inter-mediate state, its NH side adopts a predominantly zwitterionic form. The mol-ecular structure of the compound is stabilized by both N+ - H⋯O- and O - H⋯N intra-molecular hydrogen bonds. There are two weak C - H⋯O hydrogen bonds leading to polymeric chains of topology C(5) and C(13) running along the b axis of the unit cell. In addition, inter-molecular C - H⋯π inter-actions serve to stabilize the extended structure. © International Union of Crystallography 2007.