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. Author manuscript; available in PMC: 2009 Dec 31.
Published in final edited form as: J Am Chem Soc. 2008 Dec 31;130(52):18008–18017. doi: 10.1021/ja807331k

Figure 10.

Figure 10

Concentrations versus time for the reaction of 0.0074 M 1 with 0.10 M LDA in 4.9 M THF at −78 °C monitored by 19F NMR spectroscopy. The functions result from a least squares fit to the model outline in eqs 9-12 and described mathematically by eqs 16-20.