Dithiolenes mixed-ligand complexes

Ligand exchange-displacement reactions employing bis(dithiolene) complexes have been used to synthesize mixed-ligand complexes (Eq. 5) (54, 55). The reaction proceeds smoothly in dichloromethane with good yields (60-70%) (55). 

Mixed-ligand complexes such as nickel dithiolene diimine can be prepared via ligand substitution reactions (Eq. 6) (52). 

Other donors that can form mixed-ligand complexes with dithiolene ligands include phosphorous-, nitrogen-, oxygen-, and other sulfur-based ligands. The resultant complexes are abundant and most of them are redox active. However,... 

This chapter focuses on recent results concerning the class of square-planar rf metal-bis(dithiolene) or mixed ligand complexes, discussing their properties and applications as building blocks of molecular materials where the bulk properties are based on their component molecules interacting with each other at the supramolecular level. 

C. Other Mixed-Ligand Dithiolene-Donor Complexes / 302... 

Neutral nickel bis(dithiolene) complexes undergo ligand substitution reactions with a variety of amines to form mixed-ligand dithiolene complexes (52, 60). Dance and Miller (60) pointed out that reduction of electron-poor bis(dithiolene) complexes ( i/2 > 0 V vs. SCE) by halides or pseudo-halides, unhindered amines, or common weakly Lewis basic solvents (such as acetonitrile)... 

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