Browsing by Author "Mirallai, Styliana I."
Now showing items 1-18 of 18
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Anti-Cancer Activity of Phenyl and Pyrid-2-yl 1,3-Substituted Benzo[1,2,4]triazin-7-ones and Stable Free Radical Precursors
Keane, Lee-Ann J.; Mirallai, Styliana I.; Sweeney, Martin; Carty, Michael P.; Zissimou, Georgia A.; Berezin, Andrey A.; Koutentis, Panayiotis A.; Aldabbagh, Fawaz (2018)Cell viability studies for benzo[1,2,4]triazin-7-ones and 1,2,4-benzotriazinyl (Blatter-type) radical precursors are described with comparisons made with 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO). All of the stable free ...
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Article
ChemInform Abstract: One‐Step Conversion of 2‐Amino‐N′‐arylbenzamidines into 3‐Aryl‐4‐imino‐3,4‐dihydroquinazoline‐2‐carbonitriles Using 4,5‐Dichloro‐1,2,3‐dithiazolium Chloride.
Mirallai, Styliana I.; Manos, Manolis J.; Koutentis, Panayiotis Andreas (2014)
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ChemInform Abstract: Reactions of Tetracyanoethylene with N′‐Arylbenzamidines: A Route to 2‐Phenyl‐3H‐imidazo4,5‐b]quinoline‐9‐carbonitriles.
Mirallai, Styliana I.; Manoli, Maria; Koutentis, Panayiotis Andreas (2014)
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ChemInform Abstract: Synthesis and Properties of Imidazolo‐Fused Benzotriazinyl Radicals.
Berezin, Andrey A.; Constantinides, Christos P.; Mirallai, Styliana I.; Manoli, Maria; Cao, Levy L.; Rawson, Jeremy M.; Koutentis, Panayiotis Andreas (2014)
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ChemInform Abstract: The Conversion of 4‐Anilinoquinazoline‐ and 3‐Aryl‐4‐imino‐3,4‐dihydro‐quinazoline‐2‐carbonitriles into Benzo4,5]imidazo1,2‐c]quinazoline‐6‐carbonitriles via Oxidative and Nonoxidative C—N Couplings.
Mirallai, Styliana I.; Koutentis, Panayiotis Andreas (2016)
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ChemInform Abstract: The Reaction of 2‐Amino‐N′‐arylbenzamidines with Tetracyanoethene Reinvestigated: Routes to Imidazoles, Quinazolines and Quinolino2′,3′:4,5]imidazo1,2‐c]quinazoline‐8‐carbonitrile.
Mirallai, Styliana I.; Manoli, Maria; Koutentis, Panayiotis Andreas (2016)
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The Conversion of 4-Anilinoquinazoline- and 3-Aryl-4-imino-3,4-dihydro-quinazoline-2-carbonitriles into Benzo[4,5]imidazo[1,2-c]quinazoline-6-carbonitriles via Oxidative and Nonoxidative C-N Couplings
Mirallai, Styliana I.; Koutentis, Panayiotis Andreas (2015)Benzo[4,5]imidazo[1,2-c]quinazoline-6-carbonitriles are prepared in high yields via three new routes: (1) a Cu(OTf)2 (0-5 mol %) catalyzed hypervalent iodine [PhI(OTf)2] mediated oxidative coupling of 4-anilinoquinazolin ...
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Erratum: Synthesis and properties of imidazolo-fused benzotriazinyl radicals (Organic & Biomolecular Chemistry (2013) 11 (6780-6795) DOI:10.1039/c3ob41169a)
Berezin, Andrey A.; Constantinides, Christos P.; Mirallai, Styliana I.; Manoli, Maria; Cao, Levy L.; Rawson, J. M.; Koutentis, Panayiotis Andreas (2014)
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Article
MS-275 Chemical Analogues Promote Hemoglobin Production and Erythroid Differentiation of K562 Cells
Voskou, Stella; Phylactides, Marios; Afantitis, Andreas; Melagraki, Georgia; Tsoumanis, Andreas; Koutentis, Panayotis A.; Mitsidi, Tina; Mirallai, Styliana I.; Kleanthous, Marina (2019)β-Thalassemia (β-thal) is a hemoglobinopathy characterized by reduced or absent β-globin production. Pharmacological reactivation of the γ-globin gene for the production of fetal hemoglobin (Hb F) presents an attractive ...
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Doctoral Thesis Open Access
New chemistry of N'-arylbenzamidines
Mirallai, Styliana I. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2015-09)Η παρούσα διδακτορική διατριβή αρχίζει με μια σύντομη εισαγωγή (Κεφάλαιο 1) στην ετεροκυκλική χημεία, η οποία στη συνέχεια επικεντρώνεται στο άζωτο ως ετεροάτομο σε αρωματικά συστήματα, καθώς επίσης και στην χρήση των ...
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Article
One-step conversion of 2-Amino- N ′-arylbenzamidines into 3-aryl-4-imino-3,4-dihydroquinazoline-2-carbonitriles using 4,5-dichloro-1,2,3- dithiazolium chloride
Mirallai, Styliana I.; Manos, Manolis J.; Koutentis, Panayiotis Andreas (2013)2-Amino-N′-arylbenzamidines react with 4,5-dichloro-1,2,3- dithiazolium chloride (Appel salt) in the presence of Hünig's base (2 equiv) to give in one step 3-aryl-4-imino-3,4-dihydroquinazoline-2-carbonitriles in 53-81% ...
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Preparation of Blatter Radicals via Aza-Wittig Chemistry: The Reaction of N-Aryliminophosphoranes with 1-(Het)aroyl-2-aryldiazenes
Savva, Anastasia C.; Mirallai, Styliana I.; Zissimou, Georgia A.; Berezin, Andrey A.; Demetriades, Marina; Kourtellaris, Andreas; Constantinides, Christos P.; Nicolaides, C.; Trypiniotis, Theodossis; Koutentis, Panayiotis Andreas (2017)Reacting N-aryliminophosphoranes with 1-(het)aroyl-2-aryldiazenes in preheated diphenyl ether at ca. 150-250 °C for 5-25 min affords in most cases the 1,3-diaryl-1,4-dihydrobenzo[e][1,2,4]triazin-4-yls (aka Blatter radicals) ...
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Preparation of Blatter Radicals via Aza-Wittig Chemistry: The Reaction of N-Aryliminophosphoranes with 1-(Het)aroyl-2-aryldiazenesAAA
Savva, Anastasia C.; Mirallai, Styliana I.; Zissimou, Georgia A.; Berezin, Andrey A.; Demetriades, Marina; Kourtellaris, Andreas; Constantinides, Christos P.; Nicolaides, C.; Trypiniotis, Theodossis; Koutentis, Panayiotis Andreas (2017)Reacting N-aryliminophosphoranes with 1-(het)aroyl-2-aryldiazenes in preheated diphenyl ether at ca. 150-250 °C for 5-25 min affords in most cases the 1,3-diaryl-1,4-dihydrobenzo[e][1,2,4]triazin-4-yls (aka Blatter radicals) ...
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The reaction of 2-amino-N′-arylbenzamidines with tetracyanoethene reinvestigated: routes to imidazoles, quinazolines and quinolino[2′,3′:4,5]imidazo[1,2-c]quinazoline-8-carbonitrile
Mirallai, Styliana I.; Manoli, Maria; Koutentis, Panayiotis Andreas (2015)2-Amino-N′-phenylbenzamidine (1a) reacts with tetracyanoethene (TCNE) to give 2-[2-(2-aminophenyl)-5-imino-1-phenyl-1H-imidazol-4(5H)-ylidene]malononitrile (11a), 4-(phenylamino)quinazoline-2-carbonitrile (5a) and ...
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Reactions of tetracyanoethylene with N′-arylbenzamidines: A route to 2-phenyl-3 H -imidazo[4,5- b ]quinoline-9-carbonitriles
Mirallai, Styliana I.; Manoli, Maria; Koutentis, Panayiotis Andreas (2013)Eight 2-phenyl-3H-imidazo[4,5-b]quinoline-9-carbonitriles 15 are prepared in four steps from N′-arylbenzamidines 11 and tetracyanoethylene (TCNE) in ∼70-90% yields. The transformation involves the initial formation of ...
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Article
Regioselective Fluorination of 7-Oxo-1,2,4-benzotriazines Using Selectfluor
Mirallai, Styliana I.; Koutentis, Panayiotis A.; Aldabbagh, Fawaz (2019)7-Oxo-1,2,4-benzotriazines (benzo[1,2,4]triazin-7-ones) are reversible thioredoxin reductase inhibitors that exhibit very strong correlations to pleurotin. In this article, we provide the first synthesis of fluorinated ...
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Reinvestigating the synthesis of N-arylbenzamidines from benzonitriles and anilines in the presence of AlCl3
Koutentis, Panayiotis Andreas; Mirallai, Styliana I. (2010)The preparation of N-phenylbenzamidine 3a from the reaction between benzonitrile Ia and aniline in the presence of AId3 is reinvestigated with respect to mode of reagent addition, reaction temperature and Lewis acid ...
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Synthesis and properties of imidazolo-fused benzotriazinyl radicals
Berezin, Andrey A.; Constantinides, Christos P.; Mirallai, Styliana I.; Manoli, Maria; Cao, Levy L.; Rawson, J. M.; Koutentis, Panayiotis Andreas (2013)1,3-Diphenylbenzo[e][1,2,4]triazin-7(1H)-one, the oxidation product of 1,3-diphenyl-1,4-dihydro-1,2,4-benzotriazin-4-yl (Blatter's radical), reacts with N′-arylbenzamidines in PhMe at ca. 100 °C in the presence of ...