Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 52, Pages 17033-17037Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201809084
Keywords
CO2 reduction; dithiolene ligands; homogeneous catalysis; molybdenum complex
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Funding
- French National Research Agency (ANR) [ANR-16-CE05-0025-01, ANR-11-LABX-0011]
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Two original dithiolenes, with a pyrazine ring fused with a pyran ring carrying the dithiolene chelate, mimicking molybdopterin (MPT) present in the active site of formate dehydrogenases (FDHs), have been synthesized. The first one mimicks MPT in the dihydropyrazine form while the second mimicks MPT in the more biologically relevant tetrahydropyrazine form. Both have been structurally characterized as a ligand within a cobalt(cyclopentadienyl)(dithiolene) complex. The corresponding MoO(dithiolene)(2) complexes have been also prepared and are reported as the first functional and stable catalysts inspired by the Mo center of FDHs so far: they indeed catalyze the photoreduction of CO2 into formic acid, as the major product, and carbon monoxide, achieving more than 100 turnover numbers in about 8h.
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