The synthesis of four novel heteroleptic dipyrrinato complexes [(η6-arene)RuCl(2-pcdpm)] (η6-arene = C6H6, 1; C10H14, 2) and [(η5-C5Me5)MCl(2-pcdpm)] (M Rh, 3; Ir, 4) containing a new chelating ligand 4-(2-methoxypyridyl)-phenyldipyrromethene (2-pcdpm) have been described. 1–4 fully characterized by various physicochemical techniques, namely, elemental analyses, spectral (ESI-MS, IR, 1H, 13C NMR, UV/vis) electrochemical studies (cyclic voltammetry (CV) differential pulse (DPV)). Structures 3...

Syntheses and characterizations of the arene ruthenium [(η(6)-C6H6)RuCl(4-mtdpm)] (1), [(η(6)-p-MeC6H4Pr(i))RuCl(4-mtdpm)] (2), structurally analogous rhodium/iridium complexes [(η(5)-C5Me5)RhCl(4-mtdpm)] (3) [(η(5)-C5Me5)IrCl(4-mtdpm)] (4) [4-mtdpm = 5-(4-methylthiophenyl)dipyrromethene] have been reported. Their identities established by satisfactory elemental analyses, electrospray ionization-mass spectrometry (ESI-MS), FT-IR, NMR ((1)H, (13)C), UV/vis, emission spectral, electrochemical...

Binuclear zinc(II) and copper(II) complexes based on a new Schiff base ligand N,N′-bis(2-hydroxybenzilidene)-2,4,6-trimethylbenzene-1,3-diamine (H2L) have been synthesized. The H2L under investigation characterized by elemental analyses, spectral (FT-IR, 1H, 13C NMR, ESI-MS, electronic absorption, emission), electrochemical studies. structures of [{Zn(C23H18N2O2)}2] (1) [{Cu(C23H18N2O2)}2]·H2O (2) determined crystallographically. Selective "On-Off-On" switching behavior the fluorescent...

The Schiff base ligands benzylidene(4-tert-butylphenyl)amine 4-methyl ester (L1), (4-nitrobenzylidene)(4-tert-butylphenyl)amine (L2), and (4-cyanobenzylidene)(4-tert-butylphenyl)amine (L3) the new series of cyclometalated mononuclear piano-stool complexes [(η5-C5Me5)RhCl(L1)] (1), [(η5-C5Me5)RhCl(L2)] (2), [(η5-C5Me5)RhCl(L3)] (3), [(η5-C5Me5)IrCl(L1)] (4), [(η5-C5Me5)IrCl(L2)] (5), [(η5-C5Me5)IrCl(L3)] (6) have been synthesized. L1–L3 1–6 thoroughly characterized by satisfactory elemental...

The synthesis and characterization of ferrocene (Fc) derivatives 4-[2,5-diferrocenyl-4-(4-pyridyl)imidazolidin-1-ylmethyl]pyridine (1), ferrocenylmethylenepyridin-3-ylmethylamine (2), N,N'-bis(ferrocenylmethylene)-2,4,6-trimethylbenzene-1,3-diamine (3), 6-ferrocenyl-5,6-dihydro[4,5]imidazo[1,2-c]quinazoline (4) have been described. Structures 1, 2, 4 determined by single-crystal X-ray diffraction analyses. At 25 °C, 1-3 are nonfluorescent, while displays moderate fluorescence chromogenic,...

Biological properties of the arene–ruthenium complexes have attracted substantial current interest. Their activity is appreciably defined and controlled by arene moieties, organic ligands metal center. In this review, we discuss interaction with significant biomolecular targets (DNA enzymes). Principally, active may interact DNA or nucleobases either direct coordination facilitated aquation complex intercalation/stacking pendant planar part complex, usually from ancillary arenes extended...

Fluorescence chemosensing behavior of Zn(<sc>ii</sc>), Cu(<sc>ii</sc>), and Cd(<sc>ii</sc>) complexes for detection cations emphasizing conventional, metal–metal exchange chemodosimetric mechanisms has been described conferring their scope, significance challenges.

Water-soluble piano-stool arene ruthenium complexes based on 1-(4-cyanophenyl)imidazole (CPI) and 4-cyanopyridine (CNPy) with the formulas [(η6-arene)RuCl2(L)] (L = CPI, η6-arene benzene (1), p-cymene (2), hexamethylbenzene (3); L CNPy, (4), (5), (6)) have been prepared by our earlier methods. The molecular structure of [(η6-C6Me6)RuCl2(CNPy)] (6) has determined crystallographically. Analogous rhodium(III) complex [(η5-C5Me5)RhCl2(CPI)] (7) also characterized. DNA interaction rhodium...

This study was carried out to evaluate in vivo protective role of aqueous extract stem and leaves Tinospora cordifolia (TC) on the toxic effects lead hematological values. The lead-treated (5 mg/kg body weight, intraperitonially, once daily) male albino mice concurrently received either T. or extracts (400 orally, for duration 30 days. animals exposed showed significant decrease RBC Hb level. Significant decline WBC, DLC, PCV also noticed. Increase MCV values displaying reciprocal...

Three kinds of three-dimensional (3D) cadmium(II) pyridine-2,4,6-tricarboxylate (L) coordination polymers, L-[Cd(L)](NH2Me2) (1a), R-[Cd(L)](NH2Me2) (1b), [Cd3(L)2(H2O)4] (2), and [Cd4(L)2(OH)2(H2O)3](H2O) (3), have been hydro/solvothermally synthesized structurally characterized by single-crystal X-ray diffraction. The variations reaction medium temperature not only led to an occurrence spontaneous chiral resolution but also afforded two achrial molecular building block structures....

Six heteroleptic dipyrrinato complexes [Ni(fcdpm)(dedtc)] (1), [Ni(fcdpm)(dipdtc)] (2), [Ni(fcdpm)(dbdtc)] (3), [Pd(fcdpm)(dedtc)] (4), [Pd(fcdpm)(dipdtc)] (5), and [Pd(fcdpm)(dbdtc)] (6) (fcdpm = 5-ferrocenyldipyrromethene; dedtc diethyldithiocarbamate; dipdtc diisopropyldithiocarbamate; dbdtc dibutyldithiocarbamate) have been synthesized characterized by elemental analyses spectral (ESI-MS, IR, 1H, 13C NMR, UV–vis) electrochemical studies. Crystal structures of 1, 2, 4, 5 authenticated...

Heteroleptic pentamethylcyclopentadienyl rhodium/iridium(III) complexes imparting dipyrrins as co-ligands with the general formulations [(η5-C5Me5)MCl(L)] [(M = Rh(III) or Ir(III); L 5-(4-cyanophenyl)dipyrromethene, cydpm; 5-(4-nitrophenyl)dipyrromethene, ndpm; and 5-(4-benzyloxyphenyl)dipyrromethene, bdpm] have been synthesized. Reactivity of (M Rh(III), ndpm cydpm) various species, viz., sodium azide (NaN3), ammonium thiocyanate (NH4SCN), triphenylphosphine (PPh3), 4,4′-bipyridine (bpy),...

Synthesis, characterization and DNA/protein binding studies of new benzimidazole based dicopper(<sc>ii</sc>) complex inducing apoptosis in MCF-7 cells have been presented.

Three cyclometalated Ir(<sc>iii</sc>) complexes based on terpyridyl ligands have been efficiently used for DNA and protein binding studies as well anticancer activity against HeLa cell lines.

The syntheses of a new Schiff base, diethyl-5-(2-hydroxybenzylidene)aminoisophthalate (HL), and copper complex, [Cu(L2)] (1), imparting L–, have been described. Both the ligand HL complex 1 thoroughly characterized by elemental analyses, electrospray ionization mass spectrometry, FT-IR, NMR (1H 13C), electronic absorption, emission spectral studies their structures determined X-ray single-crystal analyses. Distinctive chemodosimetric behavior toward Hg2+ has established UV/vis, emission,...

Synthesis of four arene ruthenium complexes [Ru(η⁶-C₆H₆)(<bold>L1</bold>)Cl]PF₆, (<bold>1</bold>), [Ru(η⁶-C₁₀H₁₄)(<bold>L1</bold>)Cl]PF₆ (<bold>2</bold>), [Ru(η⁶-C₆H₆)(<bold>L2</bold>)Cl]PF₆ (<bold>3</bold>) and [Ru(η⁶-C₁₀H₁₄)(<bold>L2</bold>)Cl]PF₆ (<bold>4</bold>) based on quinoline-BODIPY were described their...