Výsledky vyhledávání - "Elisabetta, Iengo"

Giant Shape-Persistent Tetrahedral Porphyrin System: Light-Induced Charge Separation

Autor: Paola Ceroni, Barbara Ventura, Nicola Demitri, Nicola Armaroli, Marianna Marchini, Elisabetta Iengo, Giacomo Bergamini, Alessandra Luisa, Massimo Baroncini

Publikováno v: Chemistry (Weinh., Print) 27 (2021): 16250–16259. doi:10.1002/chem.202102135, Early Access Date = OCT 2021
info:cnr-pdr/source/autori:Marchini, Marianna; Luisa, Alessandra; Bergamini, Giacomo; Armaroli, Nicola; Ventura, Barbara; Baroncini, Massimo; Demitri, Nicola; Iengo, Elisabetta; Ceroni, Paola/titolo:Giant Shape-Persistent Tetrahedral Porphyrin System: Light-Induced Charge Separation/doi:10.1002%2Fchem.202102135, Early Access Date = OCT 2021/rivista:Chemistry (Weinh., Print)/anno:2021/pagina_da:16250/pagina_a:16259/intervallo_pagine:16250–16259/volume:27

Tetraphenylmethane appended with four pyridylpyridinium units works as a scaffold to self-assemble four ruthenium porphyrins in a tetrahedral shape-persistent giant architecture. The resulting supramolecular structure has been characterised in the so

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e847dc211e16f26f0aeb0f07d7656fd9
https://pubmed.ncbi.nlm.nih.gov/34431140

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Models of molecular photocatalysts for water oxidation: Strategies for conjugating the Ru(bda) fragment (bda = 2,2′-bipyridine-6,6′-dicarboxylate) to porphyrin photosensitizers

Autor: Enzo Alessio, Alessio Vidal, Elisabetta Iengo, F. Adamo

Model dyads, in which the Ru(bda) water oxidation catalyst (WOC) is connected to a porphyrin, were prepared following two different modular strategies: i) the direct linkage approach, in which porphyrins bearing peripheral pyridyl rings are bound to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e26b83ddb4e2a5104849aaf9b3e94e8b
http://hdl.handle.net/11368/2979636

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A Flexible Synthetic Strategy for the Preparation of Heteroleptic Metallacycles of Porphyrins

Autor: Elisabetta Iengo, Enzo Alessio, Federica Battistin, Alessio Vidal, Gabriele Balducci

Publikováno v: Inorganic Chemistry

We present a stepwise synthetic strategy for the preparation of the unprecedented heteroleptic 2+2 neutral metallacycle [{t,c,c-RuCl2(CO)2}2(4′cisDPyP)(3′cisDPyP)] (5), in which two different 5,10-meso-dipyridylporphyrins, 4′cisDPyP [i.e., 5,10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::195d4e97658e9f7310d845ef2c010bed
http://hdl.handle.net/11368/2993591

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Photoinduced Electron vs. Concerted Proton Electron Transfer Pathways in SnIV (l-Tryptophanato)2 Porphyrin Conjugates

Autor: Nicola Demitri, Elisabetta Iengo, Mirco Natali, Agnese Amati

Aromatic amino acids such as l-tyrosine and l-tryptophan are deployed in natural systems to mediate electron transfer (ET) reactions. While tyrosine oxidation is always coupled to deprotonation (proton-coupled electron-transfer, PCET), both ET-only a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2879772d46d20edaa351de828f56ee4
https://hdl.handle.net/11392/2458042

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Photoinduced Electron vs. Concerted Proton Electron Transfer Pathways in Sn

Autor: Mirco, Natali, Agnese, Amati, Nicola, Demitri, Elisabetta, Iengo

Publikováno v: Chemistry (Weinheim an Der Bergstrasse, Germany)

Aromatic amino acids such as l‐tyrosine and l‐tryptophan are deployed in natural systems to mediate electron transfer (ET) reactions. While tyrosine oxidation is always coupled to deprotonation (proton‐coupled electron‐transfer, PCET), both E

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::005b288a71cce9b565f23a9353ea2f88
https://pubmed.ncbi.nlm.nih.gov/33780047

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Photoinduced Proton-Coupled Electron Transfer in Supramolecular Sn-IV Di(L-tyrosinato) Porphyrin Conjugates

Autor: Agnese Amati, Barbara Ventura, Sebastiano Merchiori, Mirco Natali, Elisabetta Iengo

Publikováno v: Journal of physical chemistry. C 124 (2020): 8514–8525. doi:10.1021/acs.jpcc.0c00224
info:cnr-pdr/source/autori:Natali, Mirco; Amati, Agnese; Merchiori, Sebastiano; Ventura, Barbara; Iengo, Elisabetta/titolo:Photoinduced Proton-Coupled Electron Transfer in Supramolecular Sn-IV Di(L-tyrosinato) Porphyrin Conjugates/doi:10.1021%2Facs.jpcc.0c00224/rivista:Journal of physical chemistry. C/anno:2020/pagina_da:8514/pagina_a:8525/intervallo_pagine:8514–8525/volume:124

Proton-coupled electron transfer (PCET) plays a key role in many biological processes, and a thorough comprehension of its subtle mechanistic complexity requires the synthesis and characterization of suitable artificial systems capable of mimicking t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ba8e29467f73e983f057d4215227840
http://hdl.handle.net/11392/2419234

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Photoinduced Energy- and Electron-Transfer Processes in a Side-to-Face Ru

Autor: Agnese, Amati, Mirco, Natali, Maria Teresa, Indelli, Elisabetta, Iengo, Frank, Würthner

Publikováno v: Chemphyschem : a European journal of chemical physics and physical chemistry. 20(17)

A side-to-face array DPy-gPBI[Ru(4-tBuTPP)(CO)]

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8c64ef8932c9ed0a22b5c74bc2e29e3a
https://pubmed.ncbi.nlm.nih.gov/31322816

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Rare Example of Stereoisomeric 2 + 2 Metallacycles of Porphyrins Featuring Chiral-at-Metal Octahedral Ruthenium Corners

Autor: Nicola Demitri, Enzo Alessio, Alessio Vidal, Federica Battistin, Gabriele Balducci, Elisabetta Iengo

Publikováno v: Inorganic chemistry. 58(11)

In this paper, we describe three new stereoisomers of the already known 2 + 2 metallacycle of porphyrins [trans,cis,cis-RuCl2(CO)2(4′cisDPyP)]2 (2, 4′cisDPyP = 5,10-bis(4′-pyridyl)-15,20-diphenylporphyrin), namely [{trans,cis,cis-RuCl2(CO)2}(4�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cb81b7142989067b490ee042e9032ea
https://pubmed.ncbi.nlm.nih.gov/31090413

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Sn(IV) Multiporphyrin Arrays as Tunable Photoactive Systems

Autor: Maria Teresa Indelli, Mirco Natali, Paolo Cavigli, Elisabetta Iengo, Agnese Amati, Nicola Demitri

A series of four arrays made of a central Sn(IV) porphyrin as scaffold axially connected, via carboxylate functions, to two free-base porphyrins has been prepared and fully characterized. Three arrays in the series feature the same free-base unit and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9391b42bbc1c2eea92f2826cff01304f
https://hdl.handle.net/11368/2990201

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