Inverted sapphyrin: a new family of doubly N-confused expanded porphyrins |
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| Authors: | Sessler Jonathan L Cho Dong-Gyu Stepień Marcin Lynch Vincent Waluk Jacek Yoon Zin Seok Kim Dongho |
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| Affiliation: | Department of Chemistry and Biochemistry and Institute for Cellular and Molecular Biology, 1 University Station A5300, The University of Texas at Austin, Austin, TX 78712-0156, USA. sessler@mail.utexas.edu |
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| Abstract: | The synthesis of an inverted, methoxylated sapphyrin derivative is described. This system, wherein inversion of pyrrolic nitrogen atoms is configurationally enforced via the use of a 3,3'-bipyrrolic precursor, displays what is best described as "weak aromaticity" as judged from its spectroscopic features and supporting theoretical calculations. |
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