Synthesis and inversion barriers of undeca- and dodeca-substituted saddle shaped porphyrin complexes |
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| Authors: | Akito Hoshino Mikio Nakamura |
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| Affiliation: | a Division of Biomolecular Science, Graduate School of Science, Toho University, Funabashi 274-8510, Japan
b Department of Chemistry, School of Medicine, Toho University, Tokyo 143-8540, Japan |
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| Abstract: | Synthesis and barriers to inversion of a series of highly saddle shaped complexes are reported. The ΔG≠ has decreased by 8 kJ mol−1 at 243 K when the meso phenyl groups are replaced by bulkier 2,6-dichlorophenyl groups, and by 17 kJ mol−1 when one of the peripheral ethyl groups is removed. |
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| Keywords: | Nonplanar porphyrins Inversion barriers Dynamic NMR |
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