- PII
- 10.31857/S0132344X24060034-1
- DOI
- 10.31857/S0132344X24060034
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 50 / Issue number 6
- Pages
- 374-384
- Abstract
- Palladium-catalyzed heterylation of monobromophenyl-substituted zinc(II) porphyrin with small heterocycles (benzothiazole, benzoxazole, and N-methylbenzimidazole) was carried out. As a result, unsymmetrical heterylphenyl-substituted zinc(II) porphyrins soluble in organic solvents were obtained. The interaction of heteryl-substituted zinc(II) porphyrins with alpha-helical proteins was studied by spectral methods using bovine serum albumin in aqueous organic solvents. It was found that the titration of the zinc(II) porphyrins with albumin in a sodium phosphate buffer involves a number of equilibria including complexation and aggregation. In the case of porphyrins containing N-methylbenzimidazole and benzoxazole residues, self-aggregation processes initiated by absorption of organic solvent molecules by the protein predominate. It was found that more hydrophobic nature of zinc(II) porphyrin with benzothiazole residue promotes the complex formation with the protein. The photochemical properties of zinc(II) porphyrin with a benzothiazole residue, capacity for the photooxidation of the alpha-helical protein, and the high affinity of protein to this porphyrin make it a promising candidate for the potential applicability for photodynamic inactivation.
- Keywords
- цинк(II)порфирины гетерилзамещенные порфирины синтез белок комплекс фотоинактивация
- Date of publication
- 10.06.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 34
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