Inclusion complexes of the antitumor metallocenes Cp 2 MCl 2 (M = Mo, Ti) with cucurbit[n]urils
The encapsulation of the aquated forms of molybdocene dichloride and titanocene dichloride by cucurbit[n]uril (Q[n], where n = 7 and 8) at different pD values has been studied by 1H NMR spectroscopy and molecular modelling. 1H NMR titration experiments indicate that both metallocenes form 1:1 host-guest complexes with both Q and Q. In these complexes, both the cyclopentadienyl ligands and metal centre are positioned deep within the cucurbituril cavity. In vitro cell proliferation studies...[Show more]
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