Boric acid complexes with thiamine (vitamin B1) and pyridoxine (vitamin B6)

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dc.authorid0000-0003-4767-6799
dc.contributor.authorKöse, Dursun Ali
dc.contributor.authorZümreoğlu Karan, Birgül
dc.contributor.authorŞahin, Onur
dc.contributor.authorBüyükgüngör, Orhan
dc.date.accessioned2019-05-10T09:38:53Z
dc.date.available2019-05-10T09:38:53Z
dc.date.issued2014
dc.departmentHitit Üniversitesi, Fen Edebiyat Fakültesi, Kimya Bölümü
dc.description.abstractComplexation of boric acid with vitamins B1 (thiamine) and B6 (pyridoxine) was investigated. The products were isolated from aqueous solutions and characterized by elemental analysis, FT-IR, 13C MAS NMR and thermal methods. The results of chemical and spectral analyses suggested that the reaction between thiaminechloride hydrochloride and H3BO3 in water yielded a salt-like productwith no direct bonding of the thiamine cation to boron while mono- and bis-chelate complexes were obtained with pyridoxine. The bis-chelate pyridoxine complex containing two equivalent pyridoxine ligands was obtained in crystal form. X-ray crystallography verified that complexation with boric acid occurs through the deprotonated phenolic and deprotonated adjacent alcoholic oxygen atoms forming six membered chelate rings. The negative charge on tetrahedral boron is balanced by the sodium ion. The crystal structure contains discernible tunnels parallel to the [0 1 0] direction constructed by hydrogen bonded complex molecules. © 2014 Elsevier B.V. All rights reserved.
dc.identifier.citationKöse, D. A., Zumreoglu-Karan, B., Sahin, O., Büyükgüngör, O. (2014). Boric acid complexes with thiamine (vitamin B1) and pyridoxine (vitamin B6). Inorganica Chimica Acta, 413, 77-83.
dc.identifier.doi10.1016/j.ica.2013.12.045
dc.identifier.endpage83en_US
dc.identifier.issn0020-1693
dc.identifier.scopusqualityQ2
dc.identifier.startpage77en_US
dc.identifier.urihttps://doi.org/10.1016/j.ica.2013.12.045
dc.identifier.urihttps://hdl.handle.net/11491/533
dc.identifier.volume413en_US
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.relation.ispartofInorganica Chimica Acta
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBorate Esteren_US
dc.subjectBoric Aciden_US
dc.subjectBoron Chelateen_US
dc.subjectCrystal Structureen_US
dc.subjectPyridoxineen_US
dc.subjectThiamineen_US
dc.titleBoric acid complexes with thiamine (vitamin B1) and pyridoxine (vitamin B6)
dc.typeArticle

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