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Statements

Subject Item
n2:RIV%2F60162694%3AG44__%2F08%3A00001977%21RIV09-MO0-G44_____
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Bylo nasyntetizováno několik azaftalokyaninů tetrapyrazinoporfyrazinového typu jako potenciální sensitizéry pro fotodynamickpu terapii. Dále byly sledovány jejich fotochemické a fotofyzikální vlastnosti. Several octasubstituted zinc azaphthalocyanines (ZnAzaPcs) of the tetrapyrazinoporphyrazine type have been synthesized as potential sensitizers for photodynamic therapy (PDT). Octasubstituted complexes, with thiophen-2-yl, thiophen-3-yl or benzo[b]thiophen-3-yl peripheral groups, were synthesized and characterized. Octa(thiophen-2-yl) ZnAzaPc is a better singlet oxygen producer and has a red shifted UV absorption Q-band compared to both thiophen-3-yl and benzo[b]thiophen-3-yl substituted ZnAzaPcs. Thus, the thiophen-2-yl substituent is better suited for our purpose. Unsymmetrically substituted ZnAzaPcs were synthesized by cyclotetramerisations of pyrazine-2,3-dicarbonitriles attached to one thiophen-2-yl group and one alkylsulfanyl, thiomorpholinyl or imide group. Constitutional isomers were detected by NMR spectroscopy for some of these complexes. Compared to unsubstituted ZnAzaPc, red shifted Q-bands were observed for all these complexes, due to the presence of thiophen-2-yl groups. The least promis Several octasubstituted zinc azaphthalocyanines (ZnAzaPcs) of the tetrapyrazinoporphyrazine type have been synthesized as potential sensitizers for photodynamic therapy (PDT). Octasubstituted complexes, with thiophen-2-yl, thiophen-3-yl or benzo[b]thiophen-3-yl peripheral groups, were synthesized and characterized. Octa(thiophen-2-yl) ZnAzaPc is a better singlet oxygen producer and has a red shifted UV absorption Q-band compared to both thiophen-3-yl and benzo[b]thiophen-3-yl substituted ZnAzaPcs. Thus, the thiophen-2-yl substituent is better suited for our purpose. Unsymmetrically substituted ZnAzaPcs were synthesized by cyclotetramerisations of pyrazine-2,3-dicarbonitriles attached to one thiophen-2-yl group and one alkylsulfanyl, thiomorpholinyl or imide group. Constitutional isomers were detected by NMR spectroscopy for some of these complexes. Compared to unsubstituted ZnAzaPc, red shifted Q-bands were observed for all these complexes, due to the presence of thiophen-2-yl groups. The least promis
dcterms:title
Syntheses of octasubstituted zinc azaphthalocyanines with thiophene or thiophene combined with sulfanyl, amino or imido substituents: Influence of the substituents on photochemical and photophysical properties Syntézy osminásobně substituovaných zinkových azaftalokyaninů s thiofenem nebo thiofenem kombinovaným se sulfanylem, amino nebo imido substituenty: vliv substituentů na fotochemické a fotofyzikání vlastnosti Syntheses of octasubstituted zinc azaphthalocyanines with thiophene or thiophene combined with sulfanyl, amino or imido substituents: Influence of the substituents on photochemical and photophysical properties
skos:prefLabel
Syntheses of octasubstituted zinc azaphthalocyanines with thiophene or thiophene combined with sulfanyl, amino or imido substituents: Influence of the substituents on photochemical and photophysical properties Syntézy osminásobně substituovaných zinkových azaftalokyaninů s thiofenem nebo thiofenem kombinovaným se sulfanylem, amino nebo imido substituenty: vliv substituentů na fotochemické a fotofyzikání vlastnosti Syntheses of octasubstituted zinc azaphthalocyanines with thiophene or thiophene combined with sulfanyl, amino or imido substituents: Influence of the substituents on photochemical and photophysical properties
skos:notation
RIV/60162694:G44__/08:00001977!RIV09-MO0-G44_____
n4:aktivita
n5:Z n5:S
n4:aktivity
S, Z(MO0FVZ0000604), Z(MSM0021620822)
n4:cisloPeriodika
5
n4:dodaniDat
n7:2009
n4:domaciTvurceVysledku
n17:4600622
n4:druhVysledku
n10:J
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n11:predkladatel
n4:idSjednocenehoVysledku
398707
n4:idVysledku
RIV/60162694:G44__/08:00001977
n4:jazykVysledku
n13:eng
n4:klicovaSlova
azaphthalocyanine; tetrapyrazinoporphyrazine; singlet oxygen quantum yield; fluorescence; diphenylisobenzofuran
n4:klicoveSlovo
n8:tetrapyrazinoporphyrazine n8:singlet%20oxygen%20quantum%20yield n8:diphenylisobenzofuran n8:azaphthalocyanine n8:fluorescence
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[FE61E5E93AC4]
n4:nazevZdroje
Polyhedron
n4:obor
n14:FP
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
5
n4:rokUplatneniVysledku
n7:2008
n4:svazekPeriodika
27
n4:tvurceVysledku
Lenčo, Juraj Zimcik, Petr Morkved, Eva Andreassen, Trygve Nováková, Veronika
n4:wos
000255050600006
n4:zamer
n15:MO0FVZ0000604 n15:MSM0021620822
s:issn
0277-5387
s:numberOfPages
7
n18:organizacniJednotka
G44