EPR and NMR investigation on the interactions of nitroxide probes with resorcin[4]arene molecular capsules

Song Yi, Elisabetta Mileo, Angel Kaifer

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Abstract

[Chemical Equation Presented] EPR experiments In water-saturated CH 2Cl2 solution clearly indicate that oxotempo is not included inside hexameric molecular capsules of resorcin[4]arene. 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.

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EPR and NMR investigation on the interactions of nitroxide probes with resorcin[4]arene molecular capsules. / Yi, Song; Mileo, Elisabetta; Kaifer, Angel.

In: Organic Letters, Vol. 11, No. 24, 17.12.2009, p. 5690-5693.

Research output: Contribution to journalArticle