Browsing by Author "Krassos, H."
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Article
1,3-diphenylbenzo[e][1,2,4]triazin-7(1H)-one: Selected chemistry at the C-6, C-7 and C-8 positions
Koutentis, Panayiotis Andreas; Krassos, H.; Lo Re, D. (2011)1,3-Diphenylbenzo[e][1,2,4]triazin-7(1H)-one (6) reacts with tetracyanoethylene (TCNE) or tetracyanoethylene oxide (TCNEO) to give the deep green 2-[1,3-diphenylbenzo[e][1,2,4]triazin-7(1H)-ylidene]propanedinitrile (11) ...
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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
Some cyclization reactions of 1,3-diphenylbenzo[e][1,2,4]triazin-7(1H)-one: Preparation and computational analysis of non symmetrical zwitterionic biscyanines
Ioannou, Theodosia A.; Koutentis, Panayiotis Andreas; Krassos, H.; Loizou, G.; Re, D. L. (2012)Regioselective nucleophilic addition of bisnucleophiles 1,2-benzenediamine, 2-amino-benzenethiol, and N-phenyl-1,2-benzenediamine to 1,3-diphenylbenzo[e] [1,2,4]triazin-7(1H)-one (1) at C6 followed by intramolecular ...
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Article
Synthesis of a novel diene from a cyclobutane precursor: An entry to 2,9-disubstituted [2]diadamantanes
Ioannou, Savvas; Krassos, H.; Nicolaides, Athanassios V. (2013)In the gas-phase thermolysis (350 C) of heptacyclic cyclobutane 2, n=1, (the [2+2] dimer of noradamantene) two isomeric dienes (the symmetric 5, n=1 and the asymmetric 6a) and the reduction product [2]diadamantane (7-H) ...