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Synthesis and Characterization of a Stable Smaragdyrin Isomer
Jonathan L. Sessler1, Julian M. Davis, Vincent Lynch
1Department of Chemistry and Biochemistry, University of Texas at Austin, Austin, Texas 78741.
The Journal of Organic Chemistry
|October 24, 2001
Abstract:
The synthesis of 16,20-dipropyl-2,3,6,7,10,11,15,21-octamethyl-[22]pentaphyrin-(1.1.1.0.0) (8), a stable isomer of smaragdyrin ([22]pentaphyrin(1.1.0.1.0)), and 9, a furan-containing analogue of 8, are reported. These two new expanded porphyrins were characterized in solution using UV-vis and (1)H and (13)C NMR spectroscopic means and in the solid state via single-crystal X-ray diffraction analysis.