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  3. Synthesis of meso-phenyl-4,6-dipyrrins, preparation of their Cu(II), Ni(II), and Zn(II) chelates, and structural characterization of bis[meso-phenyl-4,6-dipyrrinato]Ni(II)

Synthesis of meso-phenyl-4,6-dipyrrins, preparation of their Cu(II), Ni(II), and Zn(II) chelates, and structural characterization of bis[meso-phenyl-4,6-dipyrrinato]Ni(II)

TitleSynthesis of meso-phenyl-4,6-dipyrrins, preparation of their Cu(II), Ni(II), and Zn(II) chelates, and structural characterization of bis[meso-phenyl-4,6-dipyrrinato]Ni(II)
Publication TypeJournal Article
Year of Publication1996
AuthorsBruckner, C, Karunaratne, V, Rettig, SJ, Dolphin, D
JournalCanadian Journal of Chemistry-Revue Canadienne De Chimie
Volume74
Pagination2182-2193
Date PublishedNov
Type of ArticleArticle
ISBN Number0008-4042
KeywordsCRYSTAL-STRUCTURE, DIPYRROMETHENES, LIGANDS, meso-phenyldipyrrinato transition metal chelates, meso-phenyldipyrrins, meso-phenyldipyrromethanes, MOLECULAR, PYRROLE PIGMENTS, STEREOCHEMISTRY, TRANSITION-METAL COMPLEXES, X-RAY CRYSTALLOGRAPHY
Abstract

{meso-Phenyldipyrromethanes can be oxidized by 2,6-dicyano-3,5-dichloro-para-benzoquinone (DDQ) to the corresponding meso-phenyldipyrrins. As expected, these novel, stable bipyrrolic pigments readily form metal chelates with copper(II), nickel(II), and zinc(II). Their W-VIS spectra are compared with a series of blown alkyl-substituted dipyrrin chelates and, based oil the W-VIS spectral analysis, the dihedral angle between the two ligands iri the bis[meso-phenyldipyrrinato]Ni(II) complex was calculated to be 42 degrees. The molecular structure of this complex was determined by X-ray crystallography, essentially confirming the calculation. Crystals of C30H22N4Ni are orthorhombic
URL<Go to ISI>://A1996WC12400032