Browsing by Author "Koutentis, Panayiotis Andreas"
Now showing items 21-40 of 161
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Article
Catalytic oxidation of N -phenylamidrazones to 1,3-Diphenyl-1,4-dihydro-1, 2,4-benzotriazin-4-yls: An improved synthesis of blatters radical
Koutentis, Panayiotis Andreas; Lo Re, D. (2010)Blatters radical, 1,3-diphenyl-1,4-dihydro-1,2,4-benzotriazin-4-yl (1a, R =H), and several of its C-7 substituted analogues (R =CF3, Cl, Br, I, Me, OMe) were prepared in good-to-excellent yields through catalytic oxidation ...
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Article
Characterization and magnetic properties of a "super stable" radical 1,3-diphenyl-7-trifluoromethyl-1,4-dihydro-1,2,4-benzotriazin-4-yl
Constantinides, Christos P.; Koutentis, Panayiotis Andreas; Krassos, H.; Rawson, J. M.; Tasiopoulos, Anastasios J. (2011)1,3-Diphenyl-7-trifluoromethyl-1,4-dihydro-1,2,4-benzotriazin-4-yl (4), prepared in SSSShigh yield via the catalytic oxidation of the corresponding amidrazone 5 by using Pd/C (1.6 mol ss%) and 1,8-diazabicyclo[5.4.0]undec-7-ene ...
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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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Article
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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Article
ChemInform Abstract: Regioselective Geminal Dichloride Reactivity of 3,4,4,5‐Tetrachloro‐4H‐1,2,6‐thiadiazine: Access to 4,4‐Dioxo‐ and Dithio‐Ketals.
Kalogirou, Andreas S.; Koutentis, Panayiotis Andreas (2016)
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Article
ChemInform Abstract: Ring Contraction of 1,3‐Diphenylbenzo1,2,4]triazinyl Radicals to 1,2‐Diphenylbenzimidazoles.
Berezin, Andrey A.; Koutentis, Panayiotis Andreas (2014)
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Article
ChemInform Abstract: Ring Transformations of 2‐Hydroxy‐(4‐chloro‐5H‐1,2,3‐dithiazol‐5‐ylideneamino)arenes.
Kalogirou, Andreas S.; Michaelidou, Sophia S.; Koyioni, Maria G.; Koutentis, Panayiotis Andreas (2015)
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Article
ChemInform Abstract: Route to Benzo‐ and Pyrido‐Fused 1,2,4‐Triazinyl Radicals via N′‐(Het)aryl‐N′‐2‐nitro(het)aryl]hydrazides.
Berezin, Andrey A.; Zissimou, Georgia A.; Constantinides, Christos P.; Beldjoudi, Yassine; Rawson, Jeremy M.; Koutentis, Panayiotis Andreas (2014)
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Article
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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Article
ChemInform Abstract: Synthesis of 2‐(4H‐1,2,6‐Thiadiazin‐4‐ylidene)malononitriles.
Kalogirou, Andreas S.; Koutentis, Panayiotis Andreas (2015)
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Article
ChemInform Abstract: Synthesis of Asymmetric 3,5‐Diaryl‐4H‐1,2,6‐thiadiazin‐4‐ones via Suzuki—Miyaura and Stille Coupling Reactions.
Ioannidou, Heraklidia A.; Koutentis, Panayiotis Andreas (2013)
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Article
ChemInform Abstract: Synthesis of N‐Aryl‐3,5‐dichloro‐4H‐1,2,6‐thiadiazin‐4‐imines from 3,4,4,5‐Tetrachloro‐4H‐1,2,6‐thiadiazine.
Kalogirou, Andreas S.; Manoli, Maria; Koutentis, Panayiotis Andreas (2015)
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Article
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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Article
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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Article
ChemInform Abstract: The Reaction of DABCO with 4‐Chloro‐5H‐1,2,3‐dithiazoles: Synthesis and Chemistry of 4‐N‐(2‐Chloroethyl)piperazin‐1‐yl]‐5H‐1,2,3‐dithiazoles.
Koyioni, Maria G.; Manoli, Maria; Koutentis, Panayiotis Andreas (2016)
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Article
Chemistry of 4-chIoro-5-cyano-l,2,3-dithiazoIium chloride
Koutentis, Panayiotis Andreas; Rees, C. W. (1999)The title compound 2, modelled on Appel salt 1, reacts as rapidly as 1 with phenols and anilines
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Article
Chemistry of 4-dicyanomethylene-1,2,6-thiadiazines
Koutentis, Panayiotis Andreas; Rees, C. W. (2000)The chlorine atoms in 3,5-dichloro-4-dicyanomethylene-1,2,6-thiadiazine 1 are readily displaced by thiophenols in the presence of Hünig's base, the first at -78 °C and the second at 20 °C to give the orange mono- and ...
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Doctoral Thesis
The chemistry of thiadiazines and dithiazoles
Koutentis, Panayiotis Andreas (University of London, 1997)
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Article
A combined LS-SVM & MLR QSAR workflow for predicting the inhibition of CXCR3 receptor by quinazolinone analogs
Afantitis, Antreas; Melagraki, G.; Sarimveis, H.; Koutentis, Panayiotis Andreas; Igglessi-Markopoulou, O.; Kollias, G. (2010)AnovelQSARworkflowis constructed that combines MLR with LS-SVM classification techniques for the identification of quinazolinone analogs as "active" or "nonactive" CXCR3 antagonists. The accuracy of the LS-SVM classification ...
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Article
The conversion of 2-(4-chloro-5H-1,2,3-dithiazolylideneamino)benzonitriles into 3-aminoindole-2-carbonitriles using triphenylphosphine
Michaelidou, Sophia S.; Koutentis, Panayiotis Andreas (2009)2-(4-Chloro-5H-1,2,3-dithiazolylideneamino)benzonitrile 1a reacts with triphenylphosphine (4 equiv) in the presence of water (2 equiv) to afford anthranilonitrile 2a, 3-aminoindole-2-carbonitrile 3a and (2-cyanoindol-3-y ...