The title compound, C(28)H(28)N(2)O(4), crystallizes in a zwitterionic form with deprotonated naphthol hy-droxy groups and protonated imine N atoms. The asymmetric unit contains one half-mol-ecule located on a twofold rotation axis. Intra-molecular N-H⋯O hydrogen bonds occur and the two bicyclic ring systems form a dihedral angle of 64.2 (1)°. In the… (More)
DOI: 10.1107/S1600536811012219

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@inproceedings{Liu2011111E11E58Dioxa211diazoniadodeca111dien, title={1,1′-[(1E,11E)-5,8-Dioxa-2,11-diazo­nia­dodeca-1,11-diene-1,12-di­yl]dinaph­thal­en-2-olate}, author={Yanju Liu and Kai Liu and Zhiqiang Cao and Meiju Niu}, booktitle={Acta crystallographica. Section E, Structure reports online}, year={2011} }