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Porphyrin Homologues: [22]Porphyrin(2.2.2.2), a “Stretched Porphycene”
Author(s) -
Vogel Emanuel,
Jux Norbert,
RodriguezVal Eduardo,
Lex Johann,
Schmickler Hans
Publication year - 1990
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.199013871
Subject(s) - porphyrin , structural isomer , chemistry , symmetry (geometry) , photochemistry , stereochemistry , geometry , mathematics
The close structural relationship of porphyrin system and porphycene system is strikingly demonstrated with the [22]porphyrin(2.2.2.2) 1/2 : on grounds of strain [22]prophyrin(2.2.2.2) does not exist as the isomer with porphyrin symmetry ( D 2h ) 1 , but as stretched porphycene 2 .