{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["12"],"submitter":["Ion AE"],"pubmed_abstract":["4'-Azulenyl-substituted terpyridines were efficiently synthesized following the Kröhnke methodology via azulenylchalcone intermediates. These azulenyl-containing terpyridines showed fluorescent emission with a fluorescence quantum yield varying from 0.14, in the case of parent terpyridine, to 0.64 when methyl groups are grafted on the azulenyl seven-membered ring. According to the crystal structures and TDDFT calculations, different twisting of the aromatic constituents is responsible for the observed fluorescent behavior. The electrochemical profile contains one-electron oxidation/reduction steps, which can only be explained on the basis of the redox behavior of the azulene unit. The ability of the 4'-azulenyl 2,2':6',2″-terpyridine to bind poisoning metal cations was studied by UV-vis ti"],"journal":["Beilstein journal of organic chemistry"],"pagination":["1812-1825"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5082674"],"repository":["biostudies-literature"],"pubmed_title":["Synthesis and properties of fluorescent 4'-azulenyl-functionalized 2,2':6',2″-terpyridines."],"pmcid":["PMC5082674"],"pubmed_authors":["Bala D","Bangesh M","Mihailciuc C","Cristian L","Voicescu M","Ion AE","Nica S","Madalan AM"],"additional_accession":[]},"is_claimable":false,"name":"Synthesis and properties of fluorescent 4'-azulenyl-functionalized 2,2':6',2″-terpyridines.","description":"4'-Azulenyl-substituted terpyridines were efficiently synthesized following the Kröhnke methodology via azulenylchalcone intermediates. These azulenyl-containing terpyridines showed fluorescent emission with a fluorescence quantum yield varying from 0.14, in the case of parent terpyridine, to 0.64 when methyl groups are grafted on the azulenyl seven-membered ring. According to the crystal structures and TDDFT calculations, different twisting of the aromatic constituents is responsible for the observed fluorescent behavior. The electrochemical profile contains one-electron oxidation/reduction steps, which can only be explained on the basis of the redox behavior of the azulene unit. The ability of the 4'-azulenyl 2,2':6',2″-terpyridine to bind poisoning metal cations was studied by UV-vis ti","dates":{"release":"2016-01-01T00:00:00Z","publication":"2016","modification":"2025-04-27T01:54:00.162Z","creation":"2019-03-27T02:27:40Z"},"accession":"S-EPMC5082674","cross_references":{"pubmed":["27829888"],"doi":["10.3762/bjoc.12.171"]}}