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Octacationic Cyclophanes: Binding of ATP and Other Anionic Guests in Water

1995; Wiley; Volume: 34; Issue: 19 Linguagem: Inglês

10.1002/anie.199521471

1521-3773

Fredric M. Menger, Kelly K. Catlin,

Porphyrin and Phthalocyanine Chemistry

Macrocyclic host molecule 1 with eight quaternary nitrogen atoms within the ring can bind anionic guests (including ATP) in aqueous media. X-ray structure analyses and NMR studies show that the guests do not enter the cavity; instead they associate with the host externally through a surprisingly efficient ion-exchange mechanism.