Research Article
Quantification of the Nucleophilicities of 3-X-Thiophenes: Highlighting the Hyperortho Correlation
Figure 7
Bronsted nonlinear correlations: influence of electrophilic acidity 2a and 3a-c on bimolecular rate constants, k1, related to the coupling reaction of the thiophene 1a-c with the electrophiles 2a and 3a-c in acetonitrile at 20°C.