Structures of two haptotropic isomers generated by the sliding of 1,3,5-triene ligands on a pd-pd-pd chain.

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Structures of two haptotropic isomers generated by the sliding of 1,3,5-triene ligands on a Pd-Pd-Pd chain.

Chem Commun (Camb). 2008 Sep 14;(34):4061-3

Authors: Murahashi T, Mino Y, Chiyoda K, Ogoshi S, Kurosawa H

Two haptotropic isomers of [Pd(3)(mu(3)-DMVC)(2)(CH(3)CN)(2)][BF(4)](2) (DMVC = 1,2-di-(E)-carbomethoxyvinylcyclopentene) were structurally determined by X-ray crystallographic analyses; a monoclinic crystal contained a symmetric sandwich complex (mu(3)-eta(2):eta(2):eta(2)-coordination of DMVC ligands) and a triclinic crystal contained an unsymmetric sandwich complex (mu(3)-eta(2):eta(3):eta(1)-coordination of DMVC ligands), where the latter are connected to each other by C-HO hydrogen bonds.

PMID: 18758626 [PubMed - in process]

(Source: Chemical Communications)

 

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