{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,5]],"date-time":"2026-06-05T02:26:55Z","timestamp":1780626415567,"version":"3.54.1"},"reference-count":69,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2023,5,23]],"date-time":"2023-05-23T00:00:00Z","timestamp":1684800000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"publisher","award":["22-43-04437"],"award-info":[{"award-number":["22-43-04437"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Two coordination polymers, Fe(LOBF3)(CH3COO)(CH3CN)2]n\u2022nCH3CN and [Fe(LO\u2212)2AgNO3BF4\u2022CH3OH]n\u20221.75nCH3OH\u2022nH2O (LO\u2212 = 3,3\u2032-(4-(4-cyanophenyl)pyridine-2,6-diyl)bis(1-(2,6-dichlorophenyl)-1H-pyrazol-5-olate)), were obtained via a PCET-assisted process that uses the hydroxy-pyrazolyl moiety of the ligand and the iron(II) ion as sources of proton and electron, respectively. Our attempts to produce heterometallic compounds under mild conditions of reactant diffusion resulted in the first coordination polymer of 2,6-bis(pyrazol-3-yl)pyridines to retain the core N3(L)MN3(L). Under harsh solvothermal conditions, a hydrogen atom transfer to the tetrafluoroborate anion caused the transformation of the hydroxyl groups into OBF3 in the third coordination polymer of 2,6-bis(pyrazol-3-yl)pyridines. This PCET-assisted approach may be applicable to produce coordination polymers and metal\u2013organic frameworks with the SCO-active core N3(L)MN3(L) formed by pyrazolone- and other hydroxy-pyridine-based ligands.<\/jats:p>","DOI":"10.3390\/molecules28114275","type":"journal-article","created":{"date-parts":[[2023,5,23]],"date-time":"2023-05-23T08:14:28Z","timestamp":1684829668000},"page":"4275","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Bis(2,6-pyrazolyl)pyridines as a New Scaffold for Coordination Polymers"],"prefix":"10.3390","volume":"28","author":[{"given":"Igor A.","family":"Nikovskiy","sequence":"first","affiliation":[{"name":"Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pavel V.","family":"Dorovatovskii","sequence":"additional","affiliation":[{"name":"National Research Centre \u201cKurchatov Institute\u201d, Akademika Kurchatova pl. 1, 123182 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0225-0594","authenticated-orcid":false,"given":"Valentin V.","family":"Novikov","sequence":"additional","affiliation":[{"name":"Moscow Institute of Physics and Technology, National Research University, Institutskiy per. 9, 141700 Dolgoprudny, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9121-0040","authenticated-orcid":false,"given":"Yulia V.","family":"Nelyubina","sequence":"additional","affiliation":[{"name":"Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova Street 28, 119991 Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,5,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"23975","DOI":"10.1002\/anie.202106259","article-title":"The Current Status of MOF and COF Applications","volume":"60","author":"Freund","year":"2021","journal-title":"Angew. 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