About: Photoinduced Intramolecular Tryptophan Oxidation and Excited-State Behavior of [Re(L-AA)(CO)3(r-diimine)] þ (L = Pyridine or Imidazole, AA = Tryptophan, Tyrosine, Phenylalanine)

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About: Photoinduced Intramolecular Tryptophan Oxidation and Excited-State Behavior of [Re(L-AA)(CO)3(r-diimine)] þ (L = Pyridine or Imidazole, AA = Tryptophan, Tyrosine, Phenylalanine) Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	ReI carbonyl-diimine complexes [Re(L-AA)(CO)3(N,N)]+ (N,N = bpy, phen) containing an aromatic amino acid (AA), phenylalanine (Phe), tyrosine (Tyr), or tryptophan (Trp), linked to Re by a pyridine-amido or imidazole-amido ligand L have been synthesized and their excited-state properties investigated by nanosecond time-resolved IR (TRIR) and emission spectroscopy. Near-UV optical excitation populates a ReI(CO)3N,N 3MLCT excited state [ReII(L-AA)(CO)3(N,N–)]+. Decay to the ground state (50–300 ns lifetime) is the only excited-state deactivation process observed in the case of Phe and Tyr complexes, whereas the Trp-containing species undergo a Trp(indole)ReII electron transfer (ET) producing a charge-separated (CS) state, [ReI(L-Trp+)(CO)3(N,N–)]+. The ET occurs with a 8–40 ns lifetime depending on L, N,N, and the solvent. ReI carbonyl-diimine complexes [Re(L-AA)(CO)3(N,N)]+ (N,N = bpy, phen) containing an aromatic amino acid (AA), phenylalanine (Phe), tyrosine (Tyr), or tryptophan (Trp), linked to Re by a pyridine-amido or imidazole-amido ligand L have been synthesized and their excited-state properties investigated by nanosecond time-resolved IR (TRIR) and emission spectroscopy. Near-UV optical excitation populates a ReI(CO)3N,N 3MLCT excited state [ReII(L-AA)(CO)3(N,N–)]+. Decay to the ground state (50–300 ns lifetime) is the only excited-state deactivation process observed in the case of Phe and Tyr complexes, whereas the Trp-containing species undergo a Trp(indole)ReII electron transfer (ET) producing a charge-separated (CS) state, [ReI(L-Trp+)(CO)3(N,N–)]+. The ET occurs with a 8–40 ns lifetime depending on L, N,N, and the solvent. (en)
Title	Photoinduced Intramolecular Tryptophan Oxidation and Excited-State Behavior of [Re(L-AA)(CO)3(r-diimine)] þ (L = Pyridine or Imidazole, AA = Tryptophan, Tyrosine, Phenylalanine) Photoinduced Intramolecular Tryptophan Oxidation and Excited-State Behavior of [Re(L-AA)(CO)3(r-diimine)] þ (L = Pyridine or Imidazole, AA = Tryptophan, Tyrosine, Phenylalanine) (en)
skos:prefLabel	Photoinduced Intramolecular Tryptophan Oxidation and Excited-State Behavior of [Re(L-AA)(CO)3(r-diimine)] þ (L = Pyridine or Imidazole, AA = Tryptophan, Tyrosine, Phenylalanine) Photoinduced Intramolecular Tryptophan Oxidation and Excited-State Behavior of [Re(L-AA)(CO)3(r-diimine)] þ (L = Pyridine or Imidazole, AA = Tryptophan, Tyrosine, Phenylalanine) (en)
skos:notation	RIV/61388955:_____/11:00360627!RIV12-AV0-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LD11082), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Záliš, Stanislav Sýkora, Jan Vlček jr., Antonín
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	220259
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00360627
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tryptophan; tyrosine; phenylalanine (en)
http://linked.open.../riv/klicoveSlovo	phenylalanine tryptophan tyrosine
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[1E7BD169FFF4]
http://linked.open...i/riv/nazevZdroje	Inorganic Chemistry
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Electronic States of Heavy-Metal Complexes: Structures, Properties and Dynamics
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	50
http://linked.open...iv/tvurceVysledku	Sýkora, Jan Záliš, Stanislav Vlček jr., Antonín Blanco-Rodríguez, A. M. Towrie, M.
http://linked.open...ain/vavai/riv/wos	000292010000031
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0020-1669
number of pages	13 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/ic200252z

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