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Chem. Commun., 2010, 46, 463 - 465, DOI: 10.1039/b910575a

Unusual partner radical trimer formation in a host complex of cucurbit[8]uril, ruthenium(II) tris-bipyridine linked phenol and methyl viologen

Shiguo Sun, Samir Andersson, Rong Zhang and Licheng Sun

A stable 1 : 1 : 1 inclusion complex of Ru(bpy)3-phenol (1), MV2+ and cucurbit[8]uril (CB[8]) is formed in aqueous solution. In the presence of triethanolamine (TEOA), a light-induced formation of unusual partner radical trimer 1–(MV+)2–CB[8] has been observed for the first time.

Graphical abstract image for this article (ID: b910575a)