Preparation of an enantiomerically pure helical nickel(II) complex using a new chiral tetradentate ligand derived from an industrial waste material

Helmut Pennemann; Suzanne Wassmann; Jörg Wilken; Harald Gröger; Sabine Wallbaum; Michael Kossenjans; Detlev Haase; Wolfgang Saak; Siegfried Pohl; Jürgen Martens

doi:10.1039/B002130J

Preparation of an enantiomerically pure helical nickel(II) complex using a new chiral tetradentate ligand derived from an industrial waste material†

Helmut Pennemann,^a Suzanne Wassmann,^a Jörg Wilken,^a Harald Gröger,^a Sabine Wallbaum,^a Michael Kossenjans,^a Detlev Haase,^a Wolfgang Saak,^a Siegfried Pohl^a and Jürgen Martens*^a

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^a Department of Chemistry, University of Oldenburg, Oldenburg, Germany
E-mail: juergen.martens@uni-oldenburg.de

Abstract

A new tetradentate ligand (all-R)-1,2-bis(2-aza-3-carboxybicyclo[3.3.0]octan-2-yl)ethane (H₂baboc) derived from an industrial waste material has been used as an asymmetric complexing agent for the transition metal nickel(II). The enantiomerically pure complex [Ni(baboc)(H₂O)]·H₂O has been prepared and its crystal structure has been determined by X-ray diffraction. According to the τ criterion the pentagonal co-ordination sphere for Ni^II is identified as square pyramidal.

Journal of the Chemical Society, Dalton Transactions

Preparation of an enantiomerically pure helical nickel(II) complex using a new chiral tetradentate ligand derived from an industrial waste material†

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Preparation of an enantiomerically pure helical nickel(II) complex using a new chiral tetradentate ligand derived from an industrial waste material

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