Skip to main content
. Author manuscript; available in PMC: 2009 Nov 16.
Published in final edited form as: J Org Chem. 2009 Jul 3;74(13):4828–4833. doi: 10.1021/jo900580w

Figure 3.

Figure 3

1H NMR titration isotherms of 8 (A) and 9 (B), recorded at 500 MHz in CD2Cl2 at 298 K, indicating the change in chemical shift of the proton signal corresponding to the γ-H of the crown ether.