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6 Results Found

  • Article
  • Open Access
8 Citations
2,685 Views
14 Pages

Photodynamic Anticancer and Antibacterial Activities of Sn(IV) N-Confused Meso-tetra(methylthiophenyl)porphyrin

  • Somila Dingiswayo,
  • Balaji Babu,
  • Kristen Burgess,
  • John Mack and
  • Tebello Nyokong

30 June 2023

A Sn(IV) meso-tetra(4-methylthiolphenyl) N-confused porphyrin (4-Sn) complex was prepared to facilitate a comparison of the photophysicochemical and singlet oxygen photosensitiser properties of a series of Sn(IV) complexes of meso-4-methylthiolphenyl...

  • Article
  • Open Access
3 Citations
2,894 Views
10 Pages

A Computational Study on the Mechanism of Catalytic Cyclopropanation Reaction with Cobalt N-Confused Porphyrin: The Effects of Inner Carbon and Intramolecular Axial Ligand

  • Osamu Iwanaga,
  • Mayuko Miyanishi,
  • Toshihiro Tachibana,
  • Takaaki Miyazaki,
  • Yoshihito Shiota,
  • Kazunari Yoshizawa and
  • Hiroyuki Furuta

26 October 2022

The factors that affect acceleration and high trans/cis selectivity in the catalytic cyclopropanation reaction of styrene with ethyl diazoacetate by cobalt N-confused porphyrin (NCP) complexes were investigated using density functional theory calcula...

  • Article
  • Open Access
21 Citations
7,331 Views
15 Pages

N-Confused Porphyrin Immobilized on Solid Supports: Synthesis and Metal Ions Sensing Efficacy

  • Sara R. D. Gamelas,
  • Ana T. P. C. Gomes,
  • Nuno M. M. Moura,
  • Maria A. F. Faustino,
  • José A. S. Cavaleiro,
  • Carlos Lodeiro,
  • Marta I. S. Veríssimo,
  • Tiago Fernandes,
  • Ana L. Daniel-da-Silva and
  • Maria G. P. M. S. Neves
  • + 1 author

In this work, the N-confused porphyrin 5,10,15,20-tetraphenyl-2-aza-21-carbaporphyrin (NCTPP) was immobilized on neutral or cationic supports based on silica and on Merrifield resin. The new materials were characterized by appropriate techniques (UV-...

  • Review
  • Open Access
1,977 Views
27 Pages

Metalloporphyrins, owing to their structural resemblance to natural enzyme active sites and highly tunable coordination environments, have emerged as promising catalysts for converting CO2 into value-added chemicals and fuels. Considerable efforts ha...

  • Review
  • Open Access
12 Citations
4,232 Views
82 Pages

3 February 2023

The unique environment within the core of carbaporphyrinoid systems provides a platform to explore unusual organometallic chemistry. The ability of these structures to form stable organometallic derivatives was first demonstrated for N-confused porph...

  • Article
  • Open Access
4 Citations
2,550 Views
16 Pages

22 March 2023

Pyrazoloporphyrins (PzPs), which are porphyrin analogues incorporating a pyrazole subunit, are examples of carbaporphyrin-type structures with a carbon atom within the macrocyclic cavity. DFT calculations were used to assess a series of 17 PzP tautom...