Hexaarylcyclotriplumbane: A Molecule with a Homonuclear Ring System of Lead
Journal of the American Chemical Society2003Vol. 125(34), pp. 10172–10173
Citations Over TimeTop 10% of 2003 papers
Abstract
The reaction of lead(II) bromide with RMgBr, R = 2,4,6-Et3C6H2, furnishes black crystals of hexakis(2,4,6-triethylphenyl)cyclotriplumbane (1) as the first molecule with a homonuclear lead ring. 1 adopts a skewed structure with highly stretched Pb-Pb bond lengths of 3.185 A (average), which indicate that the three-membered ring is formed by weak interactions of 3 singlet plumbylene molecules.
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