The NMR spectra of porphyrins—14: Self-aggregation of zinc(II) meso-nitro and meso-dinitro octaethylporphyrins
✍ Scribed by Raymond J. Abraham; Brian Evans; Kevin M. Smith
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 718 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0040-4020
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The change in ring current of octaethylporphyrin, meso-tetraphenylporphyrin and phthalocyanine cobalt(II1) complexes with axial amine ligands was studied using a double dipole network model. The porphyrin ring current was found to be highest in octaethylporphyrin but decreased by 5% in meso-tetraphe
## Abstract The facile preparation of zinc(II) __meso__‐tetraphenylporphyrin (Zn TPP) and derivatives from substituted benzaldehydes and pyrrole, combined with the calculation of ring current shifts in these molecules, provides a useful series of selective diamagnetic shift reagents. The porphyrin‐