
Journal of Organic Chemistry p. 3470 - 3472 (1991)
Update date:2022-08-11
Topics:
Karaman, Rafik
Bruice, Thomas R.
The first closely spaced quadruply bridged water-soluble cofacial dimer (5) was succesfully synthesized by the reaction of porphyrin 2 with sulfonamide 3 followed by N-methylation with methyl iodide.The conformations of 5 and its precursor 4 are largely dependent on the solvent, and the solvent effect is inhibited by protonation or metalation of the porphyrin cores.
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