Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 1058, listelenen: 841-860
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Synthesis and characterization of Tetrakis-mu-[N-phenylanthranilato] (O,O ')-bis[(4-vinylpyridine copper(II)] complex
(Walter De Gruyter GMBH, 2013)The complex, tetrakis-mu-[2-(phenylamino)benzoato](O,O')-bis[4-vinylpyridine copper(II)] (1) was synthesized by the reaction of N-phenylanthranilic acid and copper powder in the presence of 4-vinylpyridine and crystallized ... -
The two Bis(4-aminosalicylato-O) bis(N,N-dimethylethylenediamine)Ni(II) complexes
(Walter De Gruyter GMBH, 2012)The two complexes of Bis(4-aminosalicylato-O) bis(N,N-dimethylethylenediamine)Ni(II) with different colors, were synthesized by the reaction between sodium salt of 4-aminosalicylic acid (PAS-Na), Ni(NO3)(2) center dot ... -
Syntheses and structural characterizations of a new benzyl(4-methoxyphenyl)dithiophosphinic acid and its Ni(II), Co(II), Zn(II), Cd(II), and Ni-pyridine complexes
(Taylor & Francis LTD, 2016)Benzyl(4-methoxyphenyl)dithiophosphinic acid (HL) was obtained as solid and was treated with the NiCl(2)6H(2)O, CoCl(2)6H(2)O, ZnCl2, and CdCl2 to prepare its Ni(II), Co(II), Zn(II), and Cd(II) complexes. The nickel complex ... -
Syntheses, characterization of and studies on the electrochemical behaviour of ferrocenyl dithiophosphonates and 4-methoxyphenyl dithiophosphonates
(Taylor & Francis LTD, 2017)Some 1,3-dithiadiphosphetane 2,4-disulfides (X2P2S4, X: Fc, FcLR; X: CH3OC6H4, LR) were allowed to react with alcohols to obtain dithiophosphonic acids (X(OR)PS2H). These were converted to the corresponding ammonium salts. ... -
Synthesis, characterization, and investigations of antimicrobial activity of benzopyrans, benzofurans and spiro[4.5]decanes
(Taylor & Francis Inc, 2018)In this study, the radical cyclization reactions of cyclic 1,3-dicarbonyl compounds (1a-c) and a, b-unsaturated alcohols (2a-d) through Mn(OAc) 3 were performed. A series of biologically interesting dihydropyrans (3-5) and ... -
Phosphorus-nitrogen compounds: Part 31. Syntheses, structural and stereogenic properties, in vitro cytotoxic and antimicrobial activities, and DNA interactions of bicyclotetraphosphazenes containing bulky side group
(Elsevier Science Sa, 2015)Hexachlorocyclotriphosphazene, N3P3Cl6, and octachlorocyclotetraphosphazene, N4P4Cl8, were reacted with K2N2O2 salt of symmetric tetradentate ligand to obtain spiro-bino-spiro [(sbs) (2)] and 2,6-spiro-ansa-spiro [(2,6-sas) ... -
Efficient syntheses and antimicrobial activities of new thiophene containing pyranone and quinolinone derivatives using manganese(iii) acetate: the effect of thiophene on ring closure-opening reactions
(Royal Soc Chemistry, 2019)The syntheses of a new series of pyranones, namely, fused pyranones and quinoline-based dihydrofurans, accompanied by 3-alkenyl-substituted structures were investigated. The products were regioselectively formed by ... -
Syntheses of and structural studies on some square planar dithiophosphonato Ni(II) complexes, octahedral pyridine derivatives thereof and X-ray crystallography, DFT and molecular docking studies of the latter
(Elsevier Science BV, 2019)Five new dithiophosphonic acids ((p-MeO-C6H4)PS(SH)(OR), HLn, (n = 1-5); R = 3-pentyl-, HL1; R = 1-phenyl-1-propyl-, HL2; R = 4-tert-butyl benzyl-, HL3; R = diphenylmethyl-, HL4; R=4-tert-butylcyclohexyl-, HL5) were prepared ... -
Synthesis of ferrocene substituted dihydrofuran derivatives via manganese(III) acetate mediated radical addition-cyclization reactions
(Pergamon-Elsevier Science LTD, 2017)In this study, the manganese(III) acetate mediated radical addition-cyclization reactions of ferrocene substituted alkenes and active methylene compounds were carried out. The regio- and stereoselective radical cyclization ... -
Crystal structure and Hirshfeld surface analysis of aquabis(nicotinamide-kappa N)bis(4-sulfamoylbenzoato-kappa O-1)copper(II)
(Int Union Crystallography, 2018)In the crystal of the title complex, [Cu(C7H6NO4S)(2)(C6H6N2O)(2)(H2O)], the Cu-II cation and the O atom of the coordinated water molecule reside on a twofold rotation axis. The Cu-II ion is coordinated by two carboxylate ... -
Phosphorus-nitrogen compounds: Part 19. Syntheses, structural and electrochemical investigations, biological activities, and DNA interactions of new spirocyclic monoferrocenylcyclotriphosphazenes
(Pergamon-Elsevier Science LTD, 2010)The reactions of hexachlorocyclotriphosphazatriene, N3P3Cl6, with N-alkyl-N-ferrocenylmethylethylene diamines, FcCH(2)NH(CH2)(2)NHR1 [R-1 = Me (1) and Et (2)], and sodium [3-(N-ferrocenylmethylamino)-1-propanoxide] (3) ... -
Synthesis of New Phosphorus Ylides: Spectroscopic and X-ray Structural Studies
(John Wiley & Sons Inc, 2010)Stable phosphoranes, Ar(3)P = CHCOR (R = C(6)H(5), C(6)H(4)NO(2), C(6)H(4)OCH(3), CH 3, OCH(2)C(6)H(5); Ar = p-tolyl or phenyl), have been C-acylated by acetic anhydride to obtain new types of phosphorus ylides. Synthesis ... -
Synthesis and Spectroscopic Characterizations of Novel Ni(Ii) and Co(Ii) Dithiophosphinate Complexes, and X-Ray Studies on the Ni(Ii) Complex
(Taylor & Francis LTD, 2012)The reaction of 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide (Lawesson's Reagent) with two different Grignard reagents gave the corresponding dithiophosphinic acids (DTPA), CH3OC6H4-(R)P(S)SH; [R = ... -
Formation of novel spiro, spiroansa and dispiroansa derivatives of cyclotetraphosphazene from the reactions of polyfunctional amines with octachlorocyclotetraphosphazatetraene
(Indian Acad Sciences, 2009)Nucleophilic substitution reactions of N4P4Cl8, with di-, tri-, and tetra-functional reagents such as N-methyl-1,3-propanediamine, N,N'-methyl-1,3-propanediamine, spermidine and spermine were investigated in this study. ... -
Phosphorus-Nitrogen Compounds. Part 24. Syntheses, Crystal Structures, Spectroscopic and Stereogenic Properties, Biological Activities, and DNA Interactions of Novel Spiro-ansa-spiro- and Ansa-spiro-ansa-cyclotetraphosphazenes
(American Chemical Society, 2012)The reactions of octachlorocyclotetraphosphazene, N4P4Cl8, with N2O2 donor-type aminopodands (1a, 1b, 1g, and 1h) afforded two kinds of derivatives, namely, spiro-ansa-spiro (sas) (2a, 2b, 2g, and 2h) and ansa-spiro-ansa ... -
Phosphorus-nitrogen compounds. Part 29. Syntheses, crystal structures, spectroscopic and stereogenic properties, electrochemical investigations, antituberculosis, antimicrobial and cytotoxic activities and DNA interactions of ansa-spiro-ansa cyclotetraphosphazenes
(Elsevier France-Editions Scientifiques Medicales Elsevier, 2014)A number of novel ansa-spiro-ansa (asa) cyclotetraphosphazenes (1a-5b) was prepared in the range of 63-90% yields. The structures of the compounds were verified by MS, FTIR, H-1, C-13{H-1} and P-31{H-1} NMR, heteronuclear ... -
Phosphorus-nitrogen compounds part 33: in vitro cytotoxic and antimicrobial activities, DNA interactions, syntheses, and structural investigations of new mono(4-nitrobenzyl)spirocyclotriphosphazenes
(Springer, 2016)The condensation reactions of hexachlorocyclotriphosphazene, N3P3Cl6, with N-alkyl-N'-mono(4-nitrobenzyl)diamines (1-3), NO2PhCH2NH(CH2) (n) NHR1 (R-1 = CH3 or C2H5), led to the formation of the mono(4-nitrobenzyl)spiroc ... -
Phosphorus-nitrogen compounds. Part 23: Syntheses, structural investigations, biological activities, and DNA interactions of new N/O spirocyclotriphosphazenes
(Pergamon-Elsevier Science LTD, 2012)The Schiff base compounds (1 and 2) are synthesized by the condensation reactions of 2-furan-2-yl-methylamine with 2-hydroxy-3-methoxy- and 2-hydroxy-5-methoxy-benzaldehydes and reduced with NaBH4 to give the new N/O-donor-type ... -
The new dispirobino and dispiroansa spermine derivatives of cyclotriphosphazenes
(Pergamon-Elsevier Science LTD, 2010)In this study, the crystal structures of the dispiroansa spermine derivatives of cyclotriphosphazene are characterised for the first time. The reaction of spiro-, gem-disubstituted cyclotriphosphazene derivatives, ... -
The reaction of thiophenoxide with amino-substituted chloro-cyclotriphosphazenes
(Pergamon-Elsevier Science LTD, 2009)In the present work, a series of aminocyclotriphosphazene containing sulfur group compounds have been synthesised and characterised by elemental analysis, mass (MS), (1)H and (31)P NMR spectroscopies. The formation of ...
