[Chemical Equation Presented] EPR experiments In water-saturated CH 2Cl2 solution clearly indicate that oxotempo is not included inside hexameric molecular capsules of resorcinarene. In fact, the tumbling rate of oxotempo only experiences minor changes when resorcinarene is present in the solution. However, NMR spectroscopic data suggest that oxotempo engages in labile hydrogen-bonding interactions with water molecules interacting with the resorcinarene molecular capsules.
EPR and NMR investigation on the interactions of nitroxide probes with resorcinarene molecular capsules. / Yi, Song; Mileo, Elisabetta; Kaifer, Angel.In: Organic Letters, Vol. 11, No. 24, 17.12.2009, p. 5690-5693.
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