N. E. Galanin

Synthesis and spectral properties of meso-phenyltetrabenzoazaporphyrins containing triphenylmethyl groups

Abstract4-(p-Triphenylmethylphenoxy)isoindoline-1,3-diimine was synthesized starting from 4-(p-triphenylmethylphenoxy)phthalodinitrile obtained by the reaction of 4-nitrophthalodinitrile with 4-(triphenylmethyl)phenol. The former was reacted with phenylacetic acid in the presence of zinc oxide to obtain zinc complexes of meso-phenyltetrabenzoazaporphyrins containing triphenylmethyl groups. Spectral properties of the synthesized compounds were studied.

Synthesis and spectral properties of sandwich meso-tetramethyltetrabenzoporphyrin-phthalocyanine complexes with lutetium, erbium, yttrium, and lanthanum

The reaction of phthalimide with zinc(II) propanoate gave meso-tetramethyltetrabenzoporphyrinatozinc(II) whose demetalation afforded the corresponding free base. The latter was used to synthesize complexes with lutetium, erbium, yttrium, and lanthanum. Heating of these complexes with excess phthalonitrile led to the formation of sandwich meso-tetramethyltetrabenzoporphyrin-phthalocyanine complexes. Spectral properties of the resulting compounds were studied.

Synthesis and properties of zinc complexes of meso-hexadecyloxy-substituted tetrabenzoporphyrin and tetrabenzoazaporphyrins

The hexadecyloxyacetic acid was prepared by alkylation of glycolic acid. Proceeding from the acid obtained zinc complexes were synthesized of meso-trans-di(hexadecyloxy)tetra-benzoporphyrin, meso-tetra(hexadecyloxy)tetrabenzoporphyrin, and also of meso-hexadecyloxytetrabenzoazaporphyrins. The spectral properties of compounds synthesized were investigated.

Synthesis and spectral properties of lanthanide double-decker complexes with tetrabenzoporphyrin and phthalocyanine

Mixed-ligand double-decker complexes containing tetrabenzoporphyrin and phthalocyanine fragments were synthesized by reaction of phthalocyanine dilithium salt with tetrabenzoporphyrin complexes of lutetium, dysprosium, gadolinium, neodymium, and lanthanum. A relation was found between spectral parameters of the obtained sandwich complexes and radii of the central metal ions.

Sandwich complexes of yttrium, neodymium, gadolinium, and dysprosium with meso-trans-di(hexadecyl)-tetrabenzoporphyrin and phthalocyanine fragments. Synthesis and spectral properties

Sandwich-type asymmetric complexes of yttrium, neodymium, gadolinium, and dysprosium were synthesized by the reaction of the corresponding meso-trans-bis(hexadecyl)tetrabenzoporphyrinates with dilithium phthalocyianine. Spectral properties of these compounds were investigated.

Synthesis and spectral characteristics of phthalocyanines of unsymmetrical structure containing fragments of 3,6-didecyloxyphthalonitrile and 2-methyl-5,6-dicyanobenzimidazole

By alkylation of 3,6-dihydrooxyphthalonitrile with 1-bromodecane and by reaction of 4,5-diaminophthalodinitrile with acetic acid were synthesized respectively 3,6-didecyloxyphthalonitrile (A) and 2-methyl-5,6-dicyanobenzimidazole (B). The random condensation of the dinitriles obtained provided unsymmetrical phthalocyanines of A3B, AABB, and AB3 type. Their spectral characteristics were investigated.

Synthesis and Spectral Characteristics of Unsymmetrical Porphirazines with Triphrnylmethyl Groups

Condensation of 4-(p-triphenylmethylphenoxy)-1,2-dicyanobenzene with 1,2-di(methylthio)maledinitrile or 2,3-dicyano-5,6-diphenylpyrazine afforded symmetric and unsymmetrical porphirazines. The effect of their structural modification on the spectral characteristics was investigated.

5,15-diaminotetrabenzoporphyrins: Synthesis and spectral properties

A zinc complex of 5,15-di(N-phthalimidyl)tetrabenzoporphyrin was obtained by the reaction of Ncarboxymethylphthalimide with 1-oxo-1H-3-(1-oxoisoindolin-3-ylidenemethyl)isoindole and zinc oxide. The complex demetallation affords 5,15-di(N-phthalimidyl)tetrabenzoporphyrin. The reaction of N-phthalimidylsubstituted tetrabenzoporphyrins with hydrazine hydrate leads to the formation of 5,15-diaminotetrabenzoporphyrins. Spectral properties of these compounds were studied.

Porphyrazines of symmetric and unsymmetrical structure with fused fragments of 1,4-bis(2-phenoxyethoxy)benzene and 5,6-diphenylpyrazine. Synthesis and spectral characteristics

By alkylation of 3,6-dihydroxyphthalonitrile with 1-bromo-2-phenoxyethane 3,6-bis(2-phenoxyethoxy) phthalonitrile was obtained. A random condensation of the nitrile with 2,3-dicyano-5,6-diphenylpyrazine in 1-butanol in the presence of lithium 1-butanolate porphyrazines were synthesized of symmetric and unsymmetrical structure, and their spectral characteristics were investigated.

meso-tetraalkyltetrabenzoporphyrins and their zinc complexes. Synthesis and properties

A number of meso-tetraalkyltetrabenzoporphyrin zinc complexes having alkyl substituents with different lengths were synthesized by reaction of excess phthalimide with zinc salts of aliphatic carboxylic acids. The corresponding free bases were obtained by treatment of the complexes with sulfuric acid. The spectral properties of the complexes and ligands and thermal stability of the former were studied.