{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T04:26:12Z","timestamp":1780460772274,"version":"3.54.1"},"reference-count":67,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2019,7,11]],"date-time":"2019-07-11T00:00:00Z","timestamp":1562803200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Two novel zinc(II) compounds with curcuminate (abbreviated as cur\u2212), [Zn(CH3COO)(cur)(bpy)](1)\u00b7CH3OH\u00b72H2O (bpy = 2,2\u2032-bipyridine) and [Zn(PhCOO)(cur)(bpy)] (2)\u00b7CH3OH, have been synthesized and characterized. Their composition has been determined by single-crystal X-ray structure analysis. Complexes 1 and 2 are similar: in both a five-fold coordination environment of zinc(II) consists of a monodentate carboxylate, a chelating bidentate 2,2\u2032-bipyridine, and curcuminate, which is bound via a deprotonated 1,3-dione moiety. In 1, 2,2\u2032-bipyridine nitrogen atoms and curcuminate oxygen atoms form the base of a square pyramid, whereas the acetate oxygen occupies its apex. The O3N2 donor set in 2 defines a polyhedron which more closely resembles a trigonal bipyramid. The packing in the crystal lattices of both compounds is governed by hydrogen-bonds. Complexes 1 and 2 display higher stability than curcumin in buffered media at pH = 7.0, however, the degradation of coordinated cur\u2212 is comparable to that of yellow pigment curcumin (curH) when the pH is raised to 7.2. Both complexes 1 and 2 in DMSO exhibit fluorescence with Stokes shifts of 5367 and 4634 cm\u22121, respectively.<\/jats:p>","DOI":"10.3390\/molecules24142540","type":"journal-article","created":{"date-parts":[[2019,7,11]],"date-time":"2019-07-11T11:28:28Z","timestamp":1562844508000},"page":"2540","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Zn(II) Curcuminate Complexes with 2,2\u2032-bipyridine and Carboxylates"],"prefix":"10.3390","volume":"24","author":[{"given":"Sabina","family":"Grabner","sequence":"first","affiliation":[{"name":"Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ve\u010dna pot 113, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1867-5500","authenticated-orcid":false,"given":"Barbara","family":"Modec","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ve\u010dna pot 113, 1000 Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2019,7,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"87","DOI":"10.1517\/14728222.10.1.87","article-title":"From Traditional Ayurvedic Medicine to Modern Medicine: Identification of Therapeutic Targets for Suppression of Inflammation and Cancer","volume":"10","author":"Aggarwal","year":"2006","journal-title":"Expert Opin. 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