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Steric retardation in activated nucleophilic aromatic substitution. The reactions of fluoro-4-nitrobenzene with some methyl-substituted piperidines in dimethyl sulfoxide.

✍ Scribed by Francesco Pietra; Del Cima Francesco


Publisher
Elsevier Science
Year
1966
Tongue
French
Weight
202 KB
Volume
7
Category
Article
ISSN
0040-4039

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✦ Synopsis


Recently Suhr has reported (I) that the relative rates for the reactions of fluoro-4-hitrobenzene with piperidine, 2-methylpiperidine and cis-2,6_dimethylpiperidine* at 25Β°C in dimethyl sulfoxide (DKSO) are 30, 1.5 and 1, respectively.


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Solvent effects on aromatic nucleophilic
✍ P. M. E. Mancini; A. Terenzani; M. G. Gasparri; L. R. Vottero πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 917 KB

The kinetics of the reaction between l-chloro-2,4-dinitrobenzene and piperidine was studied in several completely non-aqueous binary solvent mixtures where the preferential solvation is the rule at 15,Z and 40 "C. The reaction was chosen as the simplest example of aromatic nucleophilic substitution