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Encapsulation of Small Molecules by a Cavitand Porphyrin Self-Assembled via Quadruple Hydrogen Bonds

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posted on 14.09.2006, 00:00 by Jun Nakazawa, Maki Mizuki, Yuichi Shimazaki, Fumito Tani, Yoshinori Naruta
A new and stable quadruple hydrogen-bonded capsule, tetracarboxylcavitand·meso-tetra(2-pyridyl)porphyrin (1·2) has been synthesized and spectroscopically characterized. 1·2 can encapsulate small molecules of various size from methane to cyclopentane. The guest and host exchange rates were evaluated by EXSY.

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