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Paper | Regular issue | Vol 29, No. 5, 1989, pp.887-894
Published online, 1st January, 1970
DOI: 10.3987/COM-89-4844
Meso-tetrakis[2.2]paracyclophanylporphyrin: Unusual Stereoisomerism of a Porphyrin Derivative

Leszek Czuchajowski,* Stefan Goszczynski, and Antoni K. Wisor

*Department of Chemistry, University of Idaho, 301 Renfrew Hall, Moscow, ID 83844-2343, U.S.A.


The hindered rotation about four direct bonds between the [2.2]paracyclophanyl substituents and the meso carbon centers of porphyrin in the title compound results in the appearance of many stereoisomers, some of them representing the type of stereoisomerism which had never been encountered before in porphyrin chemistry.