Zobrazeno 1 - 10
of 15
pro vyhledávání: '"S. Siddiqi"'
Autor:
K. S. Siddiqi, N. Nishat
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 29:297-308
New Schiff base macrocycles, 1, 4, 7, 10-tetrsaza-2, 3dioxo-5, 6, 11, 12-bis(l'-phenyl-2′,3′-dimethylpyrazole)dodece-7, 10-diene(L1), 1, 4, 7, 11-tetraaza-2, 3-dioxo-5, 6, 12, 13-bis(l'-phenyl-2′,3′-dimethylpyrazole) trideca-7, 11-diene (L2),
Autor:
N. Nishat, K. S. Siddiqi
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 28:1353-1369
The ligands 4-phenyl-5-ethoxycarbonyl-6-methyl-3, 4-dihydropyrimidine-2-one (L1), 1, 3-diacetamido(4-phenyl-5-ethoxycarbonyl-6-methyl-3, 4,-dihydro-pyrimidinc-2-one) (L2) and 1, 3-dipyrimidinyl(4-phenyl-5-ethoxycarbonyl-6-methyl-3, 4-dihydropyrimidin
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 27:487-503
Heterobimetallic complexes of La(III), Ce(III), Pr(III), Nd(III), Gd(III), Dy(III), Ho(III) and Er(III) with tetrakis(salicylidene)bis(1,3-diiminopropane) copper-(II) or zinc(II) chloride have been synthesized and characterized by spectral and molar
Publikováno v:
Transition Metal Chemistry. 21:97-100
Benzoylacetic acid (1 mol) interacts with ethylenediamine or with propanediamine (2 mol) to yield new N4 macrocycles 1,5,8,12-tetraazacyclotetradeca-2,4,9,11-tetraphenyl-3, 10-dicarboxylic-4,11-diacetic acid- 1,8-diene (L1) and 1,5,9,13-tetraazacyclo
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 25:0955-0964
Complexes of Cu(II) and Ni(II) with the Schiff base (SB-H2) derived from the condensation of 2-amino-3-formylchromone and 1, 3-diaminopropane have been synthesised. Treatment of these complexes with Group IV metal tetrachlorides gave heterobimetallic
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 24:353-363
Pyrrolidine-N-carbodithioate and its complexes of the type M(S2CNC4H8)4, MCl2(S2CNC4H8)2 and Sn(S2CNC4H8)2Bu2 (where M = Si, Ge, Sn, Ti or Zr and Bu = butyl) have been synthesized and characterized. The results indicate that M(S2CNC4H8)4 complexes ha
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 23:1425-1433
ML2Cl.2H2O type complexes of lanthanide(III) ions with a Schiff base derived from salicylaldehyde and S-benzoyl p-amino benzene sulphonamide dithiocarbamate were synthesized and characterized by elemental analysis, IR, NMR, and UV-Visible spectroscop
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 23:1435-1444
Heterobimetallic complexes of the type [Cu(TETA) C12MCl2] where M = Si, Ge, Sn, Ti or Zr, TETA-H2 = (triethylene tetramine) have been synthesized and characterized by elemental analysis, EPR spectra, electronic spectra, IR spectra, far-IR spectra and
Publikováno v:
Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 22:863-874
Lanthanide(III) ion chelates with a Schiff base derived from sulphapyridine and salicylaldehyde have been characterised by molar conductance, magnetic moment and spectral data. Coordination of the lanthanide ions occurs through both the phenolic oxyg
Autor:
Sartaj Tabassum, Fathi Aqra, Osama Al-Jowder, Fawzia Al-Saleh, K. S. Siddiqi, Rasheed M. A. Q. Jamhour, S. A. Shah
Publikováno v:
Transition Metal Chemistry. 20
New ionic bimetallic complexes of the type [Cu(en)2]-[MCl4], where M = CuII, ZnII, CdII and HgII, were prepared by reacting bis(ethylenediamine)copper(II) dichloride (1 mol) with copper, zinc, cadmium and mercury dichlorides (1 mol) in absolute alcoh