A Hammett correlation for the rates of Diels–Alder reactions of 2-substituted butadienes
Abstract
A comparison of two sets of data on the relative rates and isomer ratios of Diels–Alder reactions of 2-substituted butadienes with methyl acrylate and with the methyl acrylate–aluminium chloride complex reveals an excellent Hammett correlation with σ+.
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