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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: J Org Chem. 2012 Nov 30;78(5):2083–2090. doi: 10.1021/jo302266t

Figure 8.

Figure 8

Dependence of 1H NMR chemical shift of the backbone protons of the IMes ligand in (IMes)Pd(TFA)2(L) (L= H2O, 4, N-ethyltosylamide, or cyclohexene) on ligand concentration in the absence of added base Na2CO3. The curve fit results from a nonlinear least-squares fit to a hyperbolic function of [ligand]. Conditions: [(IMes)Pd(TFA)2(H2O)] = 5 mM, [Ligand] = 0 – 0.08 M, in toluene-d8, 24 °C.