Chelation effects in the binding of bidentate ligands by a face-to-face zinc porphyrin
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 2,p. 421-422
- https://doi.org/10.1039/p19900000421
Abstract
The face-to-face zinc porphyrin (2) is a selective host for 4,4′- bipyridyl as compared with the diamines H2N(CH2)nNH2. This selectivety arises from a much higher chelation factor (14M) for the bipyridyl guest as compared with the very low factors ( M) for the diamines. These results are discussed in terms of host and guest structures and compared with other host–guest systems.Keywords
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