Conformational and spectroscopic properties of π-extended, bipyrrole-fused rubyrin and sapphyrin derivatives
Conformational and spectroscopic properties of π-extended, bipyrrole-fused rubyrin and sapphyrin derivatives
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Date
2011-01-01
Authors
Kee, Se Young
Lim, Jong Min
Kim, Soo Jin
Yoo, Jaeduk
Park, Jung Su
Sarma, Tridib
Lynch, Vincent M.
Panda, Pradeepta K.
Sessler, Jonathan L.
Kim, Dongho
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Abstract
Two new expanded porphyrins, naphthorubyrin and naphthosapphyrin, were synthesized. The π-extended rubyrin was isolated and structurally characterized in its monoprotonated form. The sapphyrin congener undergoes pyrrole inversion as a function of the protonation state. These conformational effects are reflected in the spectroscopic features, including the excited singlet state lifetimes. © 2011 The Royal Society of Chemistry.
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Chemical Communications. v.47(24)