Molecular complexes. Part II. Kinetic studies of reactions of tetracyanoethylene with benz[a]anthracene and 9-bromo- and 9,10-dibromoanthracene
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 3,p. 257-262
- https://doi.org/10.1039/p29720000257
Abstract
Solvent effects on reactions of tetracyanoethylene with aromatic donors have been investigated. Increasing solvent polarity results in smaller association constants for initial molecular complex formation, but in turn, enhances the rate of subsequent Diels–Alder reactions. Corrections for competitive solvent–solute complexation are considered. The kinetic measurements are in accord with a slightly polar transition state leading to the final Diels–Alder adduct.Keywords
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