X-ray crystallographic structures of enamine and amine Schiff bases of pyridoxal and its 1:1 hydrogen-bonded complexes with benzoic acid derivatives: evidence for coupled inter- and intramolecular proton transfer

Sharif, S.; Powell, D.R.; Schagen, D.; Steiner, T.; Toney, M.D.; Fogle, E.; Limbach, H.-H.

doi:10.1107/S0108768105040590

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 5
(a) X-ray crystal structure of (I) showing the atom-numbering scheme. Displacement ellipsoids are drawn at the 30% probability level. (b) Crystal packing of (I) along the a axis. (c) Showing schematically the formation of pairs of (I) and the molecules which form O—H⋯N hydrogen bonds involving the hydroxyl side groups and the pyridine rings of adjacent molecules.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 62| Part 3| May 2006| Pages 480-487

doi:10.1107/S0108768105040590

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