Figure 5.
(a) Partial chlorination of 1c using 0.5 equiv of CDSC leads to distinctly observable species 1c and 1c-Cl at −30 °C by 1H NMR (500 MHz). (b) Competition study between 1b and 1c in acetone-d6 at −90 °C as quantified by 1H NMR.
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