Search Results - "YAKAIAH, T"
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Synthesis of novel 4,6-disubstituted quinazoline derivatives, their anti-inflammatory and anti-cancer activity (cytotoxic) against U937 leukemia cell lines
Published in European journal of medicinal chemistry (01-04-2008)“…In view of the link between use of NSAIDs and altered cancer incidence and a growing evidence of COX-II implication in angiogenesis, a novel series of…”
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Synthesis and structure–activity relationships of novel pyrimido[1,2- b]indazoles as potential anticancer agents against A-549 cell lines
Published in Bioorganic & medicinal chemistry letters (15-06-2007)“…A series of novel pyrimido[1,2- b]indazoles 5, 7 have been prepared from 3-trifluoromethyl-5-phenyl-2,6-dicyano anilines 1 via novel indazole regioisomers 3…”
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Click chemistry: Studies on the synthesis of novel fluorous tagged triazol-4-yl substituted quinazoline derivatives and their biological evaluation – Theoretical and experimental validation
Published in European journal of medicinal chemistry (2010)“…The formation of N- and O-propargylated quinazoline derivatives 2, 3 from quinazol-4-ones 1 was theoretically predicted by optimizations at B3LYP/6-31G* level,…”
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Synthesis and theoretical studies on energetics of novel N- and O- perfluoroalkyl triazole tagged thienopyrimidines – Their potential as adenosine receptor ligands
Published in European journal of medicinal chemistry (01-05-2010)“…A series of novel N- and O- perfluoroalkyl triazole tagged thienopyrimidines 6a– c and 7a– d was synthesized in two steps from thienopyrimidin-4-ones 2 through…”
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GdCl3 catalysed Grieco condensation : A facile approach for the synthesis of novel pyrimidine and annulated pyrimidine fused indazole derivatives in single pot under mild conditions and their anti-microbial activity
Published in European journal of medicinal chemistry (01-02-2008)Get full text
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Perfluorinated resin-sulfonic acid (Nafion-H): an efficient, environment friendly and recyclable heterogeneous catalyst for the one-pot multicomponent synthesis of β-acetamido ketones
Published in ARKIVOC (20-07-2007)Get full text
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Efficient Strategy for the Synthesis of 4-Hydroxy-1H-pyrrole-2,3-dicarboxylic Ester Derivatives Using Transition-Metal-Oxide Catalysts
Published in Synthetic communications (30-09-2010)“…A facile and an efficient strategy for the synthesis of multisubstituted pyrrole derivatives was developed using an unusual ring annulation of dialkyl…”
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Silica Sulphuric Acid: An Efficient and Recyclable Catalyst for the Synthesis of β-Acetamido Ketones in Single Pot
Published in Synthetic communications (01-05-2005)“…An efficient method has been developed for the synthesis of β-acetamido ketones by a multicomponent condensation route using sulphuric acid on silica gel as an…”
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Regioselective addition of Grignard reagents to 2,6-dicyanoanilines and cyclization to new quinazoline derivatives under thermal/microwave irradiation conditions
Published in Journal of fluorine chemistry (01-03-2006)“…Two strategies have been developed for the synthesis of novel quinazoline derivatives. 2,6-Dicyanoanilines were reacted with Grignard reagents followed by…”
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Efficient and Convenient Method for the Synthesis of Poly Functionalised 4H-Pyrans
Published in Synthetic communications (31-12-2004)“…An efficient single-pot method for the synthesis of polyfunctionalized 4H-pyrans using alkaline metal fluoride as a catalyst is described. # IICT Communication…”
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Novel Bu4N+Br− catalyzed one-pot multi-component synthesis of 2-amino nicotinonitriles in aqueous medium
Published in Research on chemical intermediates (01-05-2015)“…An efficient single-pot strategy for 2-amino nicotinonitrile derivatives 5 has been developed by multi-component reaction of arylaldehydes 1 , methylketones 2…”
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GdCl3 promoted synthesis of novel pyrimidine fused indazole derivatives and their anticancer activity
Published in Medicinal chemistry research (01-12-2012)“…The three component Grieco condensation of indazoles, aliphatic/aromatic aldehydes, and electron rich olefins in the presence of GdCl 3 resulted in a novel…”
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Synthesis of novel optically pure α-amino acid functionalised-7-trifluoromethyl substituted quinolone derivatives and their antibacterial activity
Published in Medicinal chemistry research (2013)“…7-Trifluoromethyl-4-hydroxy quinoline-3-carboxylic acid ethyl ester was prepared from 3-amino benzotrifluoride and EMME. The hydroxyquinoline was reacted with…”
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GdCl(3) catalysed Grieco condensation: a facile approach for the synthesis of novel pyrimidine and annulated pyrimidine fused indazole derivatives in single pot under mild conditions and their anti-microbial activity
Published in European journal of medicinal chemistry (01-02-2008)“…Indazole regioisomers such as 3-amino-4-(trifluoromethyl)-6-phenyl-1H-indazole-7-carbonitrile 1 and…”
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GdCl 3 catalysed Grieco condensation: A facile approach for the synthesis of novel pyrimidine and annulated pyrimidine fused indazole derivatives in single pot under mild conditions and their anti-microbial activity
Published in European journal of medicinal chemistry (2008)“…Indazole regioisomers such as 3-amino-4-(trifluoromethyl)-6-phenyl-1 H-indazole-7-carbonitrile 1 and 3-amino-6-(trifluoromethyl)-4-phenyl-1…”
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ZnBr2-Catalyzed Efficient Oxidative Homo Coupling of Aryl Magnesium Bromides
Published in Synthetic communications (01-10-2006)“…Oxidative homo coupling of various arylmagnesium bromides in the presence of ZnBr 2 gave the corresponding symmetrical biaryls in moderate to good yields at…”
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Gadolinium(III) chloride: a novel and an efficient reagent for the synthesis of homoallylic alcohols
Published in Tetrahedron letters (26-06-2006)“…Carbonyl compounds efficiently undergo nucleophilic addition reactions with allylstannanes in the presence of GdCl 3·6H 2O in acetonitrile under extremely mild…”
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ZnBr 2 ‐Catalyzed Efficient Oxidative Homo Coupling of Aryl Magnesium Bromides
Published in Synthetic communications (01-10-2006)Get full text
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Synthesis of New Trifluoromethyl Substituted 11H-Isoindolo[2,1-a]benzimidazol-11-one Derivatives
Published in Heterocycles (01-10-2005)Get full text
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