Cooperative enhancement of redox catalysis in divanadium complexes binucleated by 1,8-naphthyridine-2,7-dicarboxylate

Simran Simran; Maxym Tansky; Seth Trabulsi; Liangzi Deng; Ching-Wu Chu; Andrew Ozarowski; Robert J. Comito

doi:10.1039/D5DT01296A

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Cooperative enhancement of redox catalysis in divanadium complexes binucleated by 1,8-naphthyridine-2,7-dicarboxylate

Simran Simran,†^a Maxym Tansky,†^b Seth Trabulsi,^c Liangzi Deng,^c Ching-Wu Chu,

^c Andrew Ozarowski

^d and Robert J. Comito

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, University of Houston, Houston, Texas, USA

^b Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
E-mail: rjcomito@central.uh.edu

^c Department of Physics, Texas Center for Superconductivity, University of Houston, 3369 Cullen Blvd, Houston, TX, USA

^d National High Magnetic Field Laboratory, 1800 E. Paul Dirac Dr, Tallahasee, Fl, USA

Abstract

We report discrete divanadium complexes of 1,8-naphthyridine-2,7-dicarboxylate, characterized by SCXRD, DFT modelling, and magnetometry. One complex shows significantly greater activity in the aerobic cleavage of diols and a lignin model compound than its monometallic analogs. Mechanistic experiments and a substrate-bound complex provide insight into cooperativity in vanadium redox catalysis.

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DOI: https://doi.org/10.1039/D5DT01296A
Article type: Communication
Submitted: 02 Jun 2025
Accepted: 29 Sep 2025
First published: 03 Oct 2025
This article is Open Access

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Dalton Trans., 2025,54, 15400-15405

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Cooperative enhancement of redox catalysis in divanadium complexes binucleated by 1,8-naphthyridine-2,7-dicarboxylate

S. Simran, M. Tansky, S. Trabulsi, L. Deng, C. Chu, A. Ozarowski and R. J. Comito, Dalton Trans., 2025, 54, 15400 DOI: 10.1039/D5DT01296A

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Dalton Transactions

Cooperative enhancement of redox catalysis in divanadium complexes binucleated by 1,8-naphthyridine-2,7-dicarboxylate

Abstract

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Cooperative enhancement of redox catalysis in divanadium complexes binucleated by 1,8-naphthyridine-2,7-dicarboxylate

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