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A Pyrrolophanediene‐Porphycene Redox System
Author(s) -
Vogel Emanuel,
Grigat Ilona,
Köcher Matthias,
Lex Jahann
Publication year - 1989
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198916551
Subject(s) - annulene , redox , planar , chemistry , analogy , oxidation reduction , photochemistry , stereochemistry , organic chemistry , computer science , computer graphics (images) , philosophy , biochemistry , linguistics
In analogy to the isophlorines discussed by Woodward , N,N ′‐dihydroporphycenes should be regarded as [4n]annulenes, which explains their extremely facile oxidation to the aromatic porphycenes. Compound 1 is the first example of an N,N ′‐dihydroporphycene to be synthesized. The phane‐like, colorless 1 and the deep violet, planar 2 constitute a redox system.

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