The structure of Maneb: An important manganese-containing bis(dithiocarbamate) 
fungicide

Kubens, Laura; Truong, Khai-Nghi; Lehmann, Christian W.; Lütrzenkirchen-Hecht, Dirk; Bornhorst, Julia; Mohr, Fabian

doi:10.1002/chem.202301721

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The structure of Maneb: An important manganese-containing bis(dithiocarbamate) fungicide

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Lehmann, Christian W.
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Kubens, L., Truong, K.-N., Lehmann, C. W., Lütrzenkirchen-Hecht, D., Bornhorst, J., & Mohr, F. (in press). The structure of Maneb: An important manganese-containing bis(dithiocarbamate) fungicide. Chemistry – A European Journal, e202301721. doi:10.1002/chem.202301721.

Cite as: https://hdl.handle.net/21.11116/0000-000D-819B-2

Abstract

Maneb is a manganese(II) containing fungicide with a multi-site effect and no resistance, therefore it is widely applied in many parts of the world. There is however mounting evidence for neurotoxic effects with Parkinson-like symptoms (manganism) related to usage of Maneb. Due to its insolubility in most solvents and its paramagnetism, structural elucidation is not trivial and thus its exact molecular structure remains unknown. We report herein a synthesis procedure to prepare Maneb reproducibly in pure form and the use of various analytical techniques including X-ray diffraction, X-ray absorption spectroscopy and electron diffraction to determine the molecular structure of Maneb in the solid state and also in solution.