Browsing by Subject "Cyclization"
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Article
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
(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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Doctoral Thesis Open Access
New chemistry of isothiazoles and 1,2,3-dithiazoles
(Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2008-05)Μετά τη σύντομη εισαγωγή (Κεφάλαιο 1) περί ισοθειαζολών, ακολουθεί περιγραφή νέας χημείας των 1,2,3-διθειαζολών στα Κεφάλαια 2 και 3. Συντίθενται τα υποκατεστημένα 1,2,3-διθειαζολυλίδενο ακετονιτρίλια 129, 139 και 142 και ...
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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
(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 triazafluoranthenones via silver(I)-mediated nonoxidative and oxidative intramolecular palladium-catalyzed cyclizations
(2011)Silver(I) fluoride (AgF)-mediated intramolecular nonoxidative and oxidative palladium-catalyzed cyclizations of 1,3-diphenyl- and 8-iodo-1,3- diphenylbenzo[e][1,2,4]triazin-7(1H)-ones 6a (R = H) and 7a (R = I) afford a new ...