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Synfacts 2011(4): 0383-0383  
DOI: 10.1055/s-0030-1259634
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Twist with Twin Porphyrin

Contributor(s): Timothy M. Swager, Ggoch Ddeul Han
L. K. Frensch, K. Pröpper, M. John, S. Demeshko, C. Brückner*, F. Meyer*
Georg-August-Universität Göttingen, Germany and University of Connecticut, Storrs, USA
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Publikationsverlauf

Publikationsdatum:
18. März 2011 (online)

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Significance

The expanded porphyrin 3, incorporating two pyrazole and four pyrrole units, was obtained from the key building block 1. Interestingly, this molecule involves nonaromatic π-systems due to the replacement of pyrroles by pyrazoles, whereas general porphyrins show aromatic conjugations.