Abstract
The rates of proton abstraction and carbanion protonation for 4-nitrobenzyl halides in aqueous and methanolic dimethyl sulphoxide have been determined. In addition, measurements have been made on some benzylidene and bis-(4-nitrophenyl)methyl halides in aqueous dimethyl sulphoxide. The effects of introducing a second halogen atom or a 4-nitrophenyl group upon both kinetic and thermodynamic acidities are discussed in terms of carbanion structure and solvent effects.
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Schedule a callMore From: Journal of the Chemical Society, Perkin Transactions 2
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