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1987•Journal of Coordination ChemistryRequires access

SYNTHESES OF MANY-MEMBERED CHELATE RING COMPOUNDS

Hiroshi Ogino

Open publisher page 13 citations

Abstract

The synthetic methods for many-membered chelate ring compounds can be classified into three categories: (i) direct reaction of a metal complex with a bidentate ligand, (ii) utilization of template reaction, (iii) expulsion of central donor atom(s) in coordinated ter- or quadri-dentate ligand. Examples of formation of the compounds are discussed. The following nomenclature is proposed for the various sizes of chelate rings; “Medium-sized chelate ring” refers to eight- to 11-membered rings, and “large chelate rings” are those with more than 11 members. Many-membered chelate rings mean both medium-sized and large chelate rings.

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What this paper is about

The synthetic methods for many-membered chelate ring compounds can be classified into three categories: (i) direct reaction of a metal complex with a bidentate ligand, (ii) utilization of template reaction, (iii) expulsion of central donor atom(s) in coordinated ter- or quadri-dentate ligand. Examples of formation of the compounds are discussed. The following nomenclature is proposed for the various sizes of chelate rings; “Medium-sized chelate ring” refers to eight- to 11-membered rings, and “large chelate rings” are those with more than 11 members. Many-membered chelate rings mean both medium-sized and large chelate rings.

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Available abstract

The synthetic methods for many-membered chelate ring compounds can be classified into three categories: (i) direct reaction of a metal complex with a bidentate ligand, (ii) utilization of template reaction, (iii) expulsion of central donor atom(s) in coordinated ter- or quadri-dentate ligand. Examples of formation of the compounds are discussed. The following nomenclature is proposed for the various sizes of chelate rings; “Medium-sized chelate ring” refers to eight- to 11-membered rings, and “large chelate rings” are those with more than 11 members. Many-membered chelate rings mean both medium-sized and large chelate rings.

Key concepts: Chelation, Chemistry, Ring (chemistry), Denticity, Ligand (biochemistry), Metal, Aromaticity, Ring size

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