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Synfacts 2011(6): 0619-0619  
DOI: 10.1055/s-0030-1260413
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Red-Shifted Porphyrins

Contributor(s): Timothy M. Swager
J. Akhigbe, M. Zeller, C. Brückner*
University of Connecticut, Storrs and Youngstown State University, USA
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Publication History

Publication Date:
19 May 2011 (online)

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Significance

A high-yielding procedure for the formation of annulated porphyrins with far-red absorptions is reported from a known dione starting material. The nitrogens introduced on the exterior edge of the porphyrin structure are available for additional functionalization or metal coordination, and N-oxide derivatives are produced.