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Journal Article

Constitutional isomerism in heterocycles: A structural revision of benzofused isothiazoles

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Ghiazza,  Clément
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Fernández,  Sergio
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Leutzsch,  Markus
Service Department Farès (NMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Cornella,  Josep
Research Group Cornellà, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Ghiazza, C., Fernández, S., Leutzsch, M., & Cornella, J. (2022). Constitutional isomerism in heterocycles: A structural revision of benzofused isothiazoles. Tetrahedron, 120(8): 132888. doi:10.1016/j.tet.2022.132888.


Cite as: https://hdl.handle.net/21.11116/0000-000A-FF67-4
Abstract
During investigations on our deaminative chlorination protocol, a misassignment between two constitutional isomers of a benzofused isothiazole was encountered. Herein, we provide a clue game in order to identify the correct structure of the reported molecule as well as an investigation on the origin of the error. Finally, a revised synthesis of the previously published examples was proposed to provide the practitioners reliable data en route to reproducible science.