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Synthesis and aggregation of cationic porphyrins

✍ Scribed by Keiki-Pua S. Dancil; Lynn F. Hilario; Richard G. Khoury; Kim U. Mai; Chi K. Nguyen; Katherine S. Weddle; Amy M. Shachter

Publisher
Journal of Heterocyclic Chemistry
Year
1997
Tongue
English
Weight
513 KB
Volume
34
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

Tetra(N‐R‐pyridinium‐4‐yl)porphyrin and tetra(N‐R‐pyridinium‐3‐yl)porphyrin derivatives were synthesized with R = 3, 6, and 8 carbon alkene, alcohol and carboxylic acid chains. Self‐aggregation of these systems was studied at I = 0.1 using visible spectroscopy. N‐Alkyl chain length and functionality were determined to play the dominant role in aggregation of the cationic porphyrins. Position of peripheral charge (meta vs. para) also influenced spectral changes and the nature of the aggregate.

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Syntheses of water-soluble cationic porp
Syntheses of water-soluble cationic porphyrins and chlorins
✍ Ravindra K. Pandey; Fuu-Yau Shiau; Norman W. Smith; Thomas J. Dougherty; Kevin M 📂 Article 📅 1992 🏛 Elsevier Science 🌐 French ⚖ 952 KB

Reactions of vinylchlorins and vinylporphyrins with N,N-dimethylmethyleneammonium iodide ("Eschenmoser's Reagent") gives Man&h adducts in which substitution (with CH2NMe2) has taken place on the terminal carbon of the vinyl group to yield a trans-3-(N,Ndimethylaminomethyl)prop-1 -enyl derivative. Un