26334-89-4Relevant articles and documents
Synthesis and Spectral Characteristics of Sn(IV) Tetraphenylporphyrinates
Chizhova,Shinkarenko,Mamardashvili, N. Zh.
, p. 2559 - 2563 (2018)
Coordination reactions of 5,10,15,20-tetraphenylporphyrin, 2-bromo-5,10,15,20-tetraphenylporphyrin, 2,3,12,13-tetrabromo-5,10,15,20-tetraphenylporphyrin, 2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetraphenylporphyrin and metal-exchange reactions of their c
Preparation of NIR absorbing axial substituted tin(iv) porphyrins and their photocytotoxic properties
Babu, Balaji,Amuhaya, Edith,Oluwole, David,Prinsloo, Earl,Mack, John,Nyokong, Tebello
, p. 41 - 48 (2019/01/30)
Sn(iv) porphyrins ([Sn(iv)TTP(3PyO)2] (5) and [Sn(iv)TPP(3PyO)2] (6) [tetrathienylporphyrin (TTP), tetraphenylporphyrin (TPP), and pyridyloxy (PyO)]) were prepared and characterized and their photocytotoxicity upon irradiation with 625 nm light has been studied. The presence of the 3PyO axial ligands was found to limit the aggregation and enhance the solubility of 5 and 6 in DMF/H2O (1?:?1). The photophysical properties and photodynamic therapy (PDT) activity of the meso-2-thienyl and meso-phenyl-substituted Sn(iv) porphyrins are compared. 5 and 6 were found to be photocytotoxic in MCF-7 cancer cells when irradiated with a Thorlabs M625L3 LED at 625 nm but remained nontoxic in the dark. The PDT activity of Sn(iv) meso-tetra-2-thienylporphyrin 5 was found to be significantly enhanced relative to its analogous tetraphenylporphyrin 6. There is a marked red-shift of the Q00 band of 5 into the therapeutic window due to the meso-2-thienyl rings, and 5 has an unusually high singlet oxygen quantum yield value of 0.83 in DMF. The results demonstrate that readily synthesized axially ligated Sn(iv) meso-arylporphyrins are potentially suitable for use as singlet oxygen photosensitizers in biomedical applications and merit further in depth investigation in this context.
Photophysical properties of Sn (IV)tetraphenylporphyrin-pyrene dyad with a β-vinyl linker
Reeta, P. Silviya,Khetubol, Adis,Jella, Tejaswi,Chukharev, Vladimir,Abou-Chahine, Fawzi,Tkachenko, Nikolai V.,Giribabu,Lemmetyinen, Helge
, p. 288 - 300 (2015/05/05)
A Sn(IV)tetraphenylporphyrin (T) has been functionalized with a β-vinyl pyrene (P) and the photophysical properties of the formed dyad (T-P) with its corresponding precursors were studied in three solvents with different polarities using steady-state and