UV-vis absorption spectra of Sn(IV)tetrakis(4-pyridyl) porphyrins on the basis of axial ligation and pyridine protonation

Jayachandran, Pavithra; Angamuthu, Abiram; Gopalan, P.

doi:10.1007/s00894-019-4166-5

J Mol Model

2019

DOI: 10.1007/s00894-019-4166-5

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UV-vis absorption spectra of Sn(IV)tetrakis(4-pyridyl) porphyrins on the basis of axial ligation and pyridine protonation

Pavithra Jayachandran¹,

Abiram Angamuthu

P. Gopalan³

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Cited by 5 publications

References 68 publications

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Fluorinated High‐Valent Sn(IV) Porphyrins Show Remarkable Photodynamic Activity in Cancer Cells

Bora,

Das,

Bera

et al. 2024

ChemMedChem

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In recent years, Sn(IV) porphyrins have proven to be excellent choice as photosensitizers for photodynamic therapy. This work reports the synthesis, characterization and photodynamic activity of four high‐valent fluorinated Sn(IV) porphyrins having different numbers of F‐atoms in the peripheral of meso‐phenyl groups viz. (Dichloro)meso‐tetrakis(4‐fluorophenylporphyrinato)stannic(IV), [Sn(IV)FTPP(Cl)2] or Sn1; (Dichloro)meso‐tetrakis(2,4‐difluorophenylporphyrinato)stannic(IV), [Sn(IV)2,4‐FTPP(Cl)2] or Sn2; (Dichloro)meso‐tetrakis(2,6‐difluorophenylporphyrinato)stannic(IV), [Sn(IV)2,6‐FTPP(Cl)2] or Sn3 and (Dichloro)meso‐tetrakis(4‐trifluoromethylphenylporphyrinato)stannic(IV), [Sn(IV)CF3TPP(Cl)2] or Sn4. The solid‐state structure of Sn1 has been determined by single crystal X‐ray diffraction analysis. The increasing number of F‐atoms attached to the meso‐phenyl positions of the porphyrin framework results in increase of their lipophilicity, singlet oxygen quantum yield (ΦΔ) and photocytotoxicity in A549 (human lung adenocarcinoma cells), MCF‐7 and MDA‐MB‐231 (human breast adenocarcinoma) cells. Sn4 predominantly localize in the mitochondria of A549 cells. The light‐induced cell death by the Sn(IV) porphyrins in A549 cells occur primarily via apoptosis.

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Fluorinated High‐Valent Sn(IV) Porphyrins Show Remarkable Photodynamic Activity in Cancer Cells

Bora,

Das,

Bera

et al. 2024

ChemMedChem

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A Theoretical Study of Metalloporphyrin-Based Fluorescent Array Sensor using Density Functional Theory

Huang

Chen

et al. 2020

J Fluoresc

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Dye sensitized solar cell action of Sn(IV)tetrakis(4-pyridyl) porphyrins as a function of axial ligation and pyridine protonation

Jayachandran¹,

Angamuthu

Gopalan³

2021

J IRAN CHEM SOC

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UV-vis absorption spectra of Sn(IV)tetrakis(4-pyridyl) porphyrins on the basis of axial ligation and pyridine protonation

Cited by 5 publications

References 68 publications

Fluorinated High‐Valent Sn(IV) Porphyrins Show Remarkable Photodynamic Activity in Cancer Cells

Fluorinated High‐Valent Sn(IV) Porphyrins Show Remarkable Photodynamic Activity in Cancer Cells

A Theoretical Study of Metalloporphyrin-Based Fluorescent Array Sensor using Density Functional Theory

Dye sensitized solar cell action of Sn(IV)tetrakis(4-pyridyl) porphyrins as a function of axial ligation and pyridine protonation

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