Tetraoxaporphyrinogen (Tetraoxaquaterene
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Dr. Wilhelm Haas; Bernd Knipp; Martin Sicken; Dr. Johann Lex; Prof. Dr. Emanuel
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Article
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1988
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John Wiley and Sons
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English
β 374 KB
can be regarded formally as a conformationally rigid [ 181annulene. 141 According to the new IUPAC nomenclature for tetrapyrroles [Pure Appl. Chem. 39 (1987) 7791 the porphyrin parent compound is no longer called porphin but instead porphyrin.