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. Author manuscript; available in PMC: 2013 Sep 12.
Published in final edited form as: J Am Chem Soc. 2012 Aug 31;134(36):14710–14713. doi: 10.1021/ja306674h

Figure 3.

Figure 3

Plot of log k' for 3–Sc at −90 °C against BDE of different C–H substrates. k’ is determined by dividing the second–order rate constant k2 by number of equivalent H–atoms in the substrate. Inset: Plot of pseudo–first order rate constants (kobs) against different concentrations of DHA and d4–DHA. The point at zero substrate concentration corresponds to the pseudo–first order rate of the self–decay of 3–Sc at −90 °C.