Nickel(II) pincer complexes demonstrate that the remote substituent controls catalytic carbon dioxide reduction

Dalton B. Burks; Shakeyia Davis; Robert W. Lamb; Xuan Liu; Roberta R. Rodrigues; Nalaka P. Liyanage; Yujie Sun; Charles Edwin Webster; Jared H. Delcamp; Elizabeth T. Papish

doi:10.1039/C7CC09507D

Nickel(ii) pincer complexes demonstrate that the remote substituent controls catalytic carbon dioxide reduction†

Dalton B. Burks,‡^a Shakeyia Davis,

‡^b Robert W. Lamb,

^c Xuan Liu,^d Roberta R. Rodrigues,

^b Nalaka P. Liyanage,

^b Yujie Sun,

^d Charles Edwin Webster,

*^c Jared H. Delcamp

*^b and Elizabeth T. Papish

*^a

Author affiliations

* Corresponding authors

^a University of Alabama (UA), Department of Chemistry, Shelby Hall, Tuscaloosa, AL 35487, USA
E-mail: etpapish@ua.edu

^b University of Mississippi, Department of Chemistry and Biochemistry, Coulter Hall, University, MS 38677, USA
E-mail: delcamp@olemiss.edu

^c Mississippi State University, Department of Chemistry, Hand Chemical Lab, Mississippi State, MS, USA
E-mail: ewebster@chemistry.msstate.edu

^d Utah State University, Department of Chemistry and Biochemistry, Widtsoe Hall, Logan, UT 84322, USA

Abstract

The first example of a CNC pincer ligand with a central pyridinol ligand is reported in a nickel(II) complex. This metal complex can be protonated or deprotonated reversibly in situ to switch on or off the photocatalytic performance towards CO₂ reduction. The O⁻ substituent appears essential for catalysis.

Chemical Communications

Nickel(ii) pincer complexes demonstrate that the remote substituent controls catalytic carbon dioxide reduction†

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Nickel(II) pincer complexes demonstrate that the remote substituent controls catalytic carbon dioxide reduction

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