"Hetero-Multifunctionalization" of Gallium Corroles: Facile Synthesis, Phosphorescence, Redox Tuning, and Photooxidative Catalytic Improvement

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dc.contributor.authorZhan, Xuanko
dc.contributor.authorZini, Yaelko
dc.contributor.authorFridman, Nataliako
dc.contributor.authorChen, Qiu-Chengko
dc.contributor.authorChurchill, David G.ko
dc.contributor.authorGross, Zeevko
dc.date.accessioned2020-05-14T08:20:31Z-
dc.date.available2020-05-14T08:20:31Z-
dc.date.created2019-12-30-
dc.date.created2019-12-30-
dc.date.created2019-12-30-
dc.date.issued2020-01-
dc.identifier.citationCHEMPLUSCHEM, v.81, no.1, pp.163 - 168-
dc.identifier.issn2192-6506-
dc.identifier.urihttp://hdl.handle.net/10203/274200-
dc.description.abstractBromination of tris- and tetrakis-trifluoromethylated gallium corroles (3CF(3)-Ga and 4CF(3)-Ga) afforded tetrabrominated species 3CF(3)-4Br-Ga and 4CF(3)-4Br-Ga (yields: 20 % and 25 %) characterized by NMR, UV-vis spectroscopy, and mass spectrometry. Red-shifted absorption and emission bands were found; 3CF(3)-4Br-Ga and 4CF(3)-4Br-Ga displayed 5-12 nm shifts in their Soret bands and 8-17 nm shifts for their Q bands, compared to the respective nonbrominated species (3CF(3)-Ga and 4CF(3)-Ga). The respective phi(F) values were found to be 0.013 and 0.016; phosphorescence (lifetime=0.23 mu s) was observed for 3CF(3)-4Br-Ga (anaerobic, RT). The effect of tetrabromination on redox potentials (0.89 and 0.99 V) gave a 85 mV shift per Br atom in the reduction potential. 4CF(3)-4Br-Ga allows for efficient catalytic photooxidative Br- to Br-2 conversion compared to the beta-octa-Br system (Br-8-Ga) structurally characterized here. This "hetero-multifunctionalization" approach, that is, is substitution with different sets of beta-substituents, can help optimize porphyrinoid properties.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.title"Hetero-Multifunctionalization" of Gallium Corroles: Facile Synthesis, Phosphorescence, Redox Tuning, and Photooxidative Catalytic Improvement-
dc.typeArticle-
dc.identifier.wosid000502166600001-
dc.identifier.scopusid2-s2.0-85076424579-
dc.type.rimsART-
dc.citation.volume81-
dc.citation.issue1-
dc.citation.beginningpage163-
dc.citation.endingpage168-
dc.citation.publicationnameCHEMPLUSCHEM-
dc.identifier.doi10.1002/cplu.201900667-
dc.contributor.localauthorChurchill, David G.-
dc.contributor.nonIdAuthorZhan, Xuan-
dc.contributor.nonIdAuthorZini, Yael-
dc.contributor.nonIdAuthorFridman, Natalia-
dc.contributor.nonIdAuthorChen, Qiu-Cheng-
dc.contributor.nonIdAuthorGross, Zeev-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorbeta-substitution-
dc.subject.keywordAuthorcorroles-
dc.subject.keywordAuthoroxidation-
dc.subject.keywordAuthorphosphorescence-
dc.subject.keywordAuthorphotocatalysis-
dc.subject.keywordPlusNEAR-IR PHOSPHORESCENCE-
dc.subject.keywordPlusEVOLUTION-
dc.subject.keywordPlusELECTROCHEMISTRY-
dc.subject.keywordPlusMETALLOCORROLES-
dc.subject.keywordPlusPHOTOCATALYSTS-
dc.subject.keywordPlusSPECTROSCOPY-
dc.subject.keywordPlusBROMINATION-
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