4,4′-Dimethoxy-2,2′-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenol

In the title compound, C21H26N2O4, the dihedral angle between the substituted benzene rings is 30.47 (15) °. Two strong intramolecular O—H⋯N hydrogen bonds generate two S(6) ring motifs.

[1]  Anthony L. Spek,et al.  Structure validation in chemical crystallography , 2009, Acta crystallographica. Section D, Biological crystallography.

[2]  R. Blessing,et al.  An empirical correction for absorption anisotropy. , 1995, Acta crystallographica. Section A, Foundations of crystallography.

[3]  6,6′-Diethoxy-2,2′-[4,5-dimethyl-o-phenylenebis(nitrilomethylidyne)]diphenol–ethanol–water (1/1/1) , 2009, Acta crystallographica. Section E, Structure reports online.

[4]  Raymond E. Davis,et al.  Patterns in Hydrogen Bonding: Functionality and Graph Set Analysis in Crystals , 1995 .

[5]  G. Sheldrick.  A short history of SHELX. , 2008, Acta crystallographica. Section A, Foundations of crystallography.