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. Author manuscript; available in PMC: 2018 Jul 25.
Published in final edited form as: J Am Chem Soc. 2017 Oct 16;139(42):15197–15204. doi: 10.1021/jacs.7b08734

Figure 7.

Figure 7

Plot of initial rate versus THF concentration for the isotopic exchange of 0.45 M α,α,α-trifluorotoluene (28) with 0.10 M NaDA and 0.79 M i-Pr2ND in hexane cosolvent at −40 °C. The curves depict unweighted least-squares fits to the function f(x) = ax + b: ortho: (a = 0.80 ± 0.02; b = 0.6 ± 0.1); meta: (a = 0.18 ± 0.02; b = 0.1 ± 0.1).