Abstract
New benzothiazolyl- and benzimidazolyl-substituted 1-iminoisoindolines are prepared in the reaction of o-phthalaldehyde and substituted 2-aminobenzothiazoles and 2-aminobenzimidazoles. The optimization of these reactions is discussed, and the reaction mechanisms are proposed based on the experimental findings. Isoindolines with other heterocyclic substituents are prepared as a confirmation of the proposed mechanisms. Molecular and crystal structures of several prepared compounds are determined by a single crystal X-ray diffraction. These structures are found to be in line with projections based on the chemical and spectroscopic properties, and thus offer an additional confirmation of the proposed reaction mechanisms.
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This work was financially supported by Croatian Science Foundation (project No. 5596).
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Sović, I., Orehovec, I., Stilinović, V. et al. Benzothiazolyl- and benzimidazolyl-substituted 1-iminoisoindolines: synthesis, mechanistic studies, and crystal structure determination. Monatsh Chem 147, 1825–1837 (2016). https://doi.org/10.1007/s00706-016-1796-5
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DOI: https://doi.org/10.1007/s00706-016-1796-5