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نمایش تعداد 1-3 از 3
A 1,2-dibenzoyl-cyclopentadiene derivative as a new potential chelating agent in geological materials
سال: 2007
خلاصه:
In this paper, 2,3-bis(p-methoxybenzoyl)cyclopentadiene(DPMBCP) has been studied as a chelating agent and pKa value was determined by means of spectrophotometric measurement. The sigmid curve of optical density agents pH ...
Co(III) and Fe(III) complexes of Schiff bases derived from 2,4-dihydroxybenzaldehyde S-allyl-isothiosemicarbazonehydrobromide
سال: 2013
خلاصه:
Two new complexes, [Co(L1)(Py)3]Cl0.75Br0.25 (L1=4-hydroxy salicylaldehyde S-allyl-isothiosemicarbazonato-
N,N\\',O) and [Fe(L2)Cl]·C2H5OH (L2=S-allyl-N1-(4-hydroxy salicylaldehyde)-N 4-(salicylaldehyde)
is ...
Seven and eight-coordinate Fe(III) complexes containing pre-organized ligand 1,10-phenanthroline-2,9-dicarboxylic acid: Solvent effects, supramolecular interactions and DFT calculations
سال: 2018
خلاصه:
-ray diffraction. On the basis of crystallographic data, compounds 1 and 2 are very rare seven- and eight-coordination iron complexes and show distorted pentagonal bipyramidal (PBP) and distorted dodecahedron (DD) geometry around the metal centres, respectively...