The kinetics of the proton-transfer reactions of 4-nitrophenylnitromethane with various bases in chlorobenzene solution have been studied, and deuterium isotope effects determined. The values of the isotopic rate ratio kH/kD at 25°C are all over 20, and suggest that tunnelling is important. The results are compared with those in other solvents.
E. F. Caldin, D. M. Parbhoo and C. J. Wilson, J. Chem. Soc., Faraday Trans. 1, 1976, 72, 2645 DOI: 10.1039/F19767202645
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