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Synthesis and MNR Studies of Core-Modified, N-Confused porphyrins Possessing Alkyl Groups at the Rim Nitrogen


초록

The '3+1'type condensation of 16-thiatripyrromethane with $N-alkyl-24-bis[(\alpha+hydroxy-\alpha-phenyl)methyl]pvrole$, in the presence of acid catalyst afforded core-modified, N-confused porphyrins bearing alkyl groups at the rim nitrogen. The proton NMR spectra indicate that the bulkiness of the N-alkyl substituents is somewhat relatedwith the tiltedness of the inverted pyrrole ring. The changes in chemical shift of inner methine protons depending on the N-alkyl group and protonation site is discussed.

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참고문헌

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피인용 문헌

  1. Carbaporphyrinoid Systems vol.117, pp.4, 2000, https://doi.org/10.1021/acs.chemrev.6b00326
  2. Heteroatom-Containing Porphyrin Analogues vol.117, pp.4, 2000, https://doi.org/10.1021/acs.chemrev.6b00496
  3. Rational Synthesis of 5,5,5‐Tricyclic Fused Thia‐heptaphyrin (1.1.1.1.1.1.0) From a Helical Oligopyrrin Hybrid vol.15, pp.8, 2000, https://doi.org/10.1002/asia.202000100
  4. Friedel-Crafts acylation of antiaromatic norcorroles: electronic and steric modulation of the paratropic current vol.8, pp.14, 2000, https://doi.org/10.1039/d1qo00621e