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A 1,2‐Phenylene‐Bridged Porphyrin Dimer—Synthesis, Properties, and Molecular Structure
Author(s) -
Osuka Atsuhiro,
Nakajima Satoshi,
Nagata Toshi,
Maruyama Kazuhiro,
Toriumi Koshiro
Publication year - 1991
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.199105821
Subject(s) - porphyrin , dimer , phenylene , photochemistry , planar , chemistry , crystallography , electron transport chain , photosynthetic reaction centre , materials science , electron transfer , organic chemistry , computer science , polymer , biochemistry , computer graphics (images)
The porphyrin rings in the porphyrin dimer 1 are nearly planar, but they are considerably tilted toward each other. Compound 1 is of interest as a model for the special pair of the photosynthetic reaction center. The average distance between the two porphyrin planes is only 3.43 Å. The resulting strong interactions—resembling those in excimers—lead to a lowering of the energy of the S 1 state and facilitate one‐electron oxidation.

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