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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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2526041 | PMC |
| http://dx.doi.org/10.1021/ja064675z | DOI Listing |
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