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Synthesis and application of azacycloalk-1-ene-fused oxazol-3-ium salts (microreview)

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Chemistry of Heterocyclic Compounds Aims and scope

Synthesis and application of azacycloalk-1-enefused oxazol-3-ium salts are summarized. The microreview covers all synthetic methods for obtaining 6,7-dihydro-5H-pyrrolo[2,1-b]oxazol-4-ium and 5,6,7,8-tetrahydrooxazolo[3,2-a]-pyridin-4-ium derivatives that have been classified in two distinct categories: cyclization leading to the formation of azacycloalk-1-ene ring and cyclization leading to the formation of oxazole ring. Application of these azacycloalk-1-enefused oxazol-3-ium salts has been discussed.

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Financial support by the National Natural Science Foundation of China (No. 21911530099) and Russian Foundation for Basic Research (No. 19-53-53009 GFEN_a) are gratefully acknowledged.

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Correspondence to Jiaxi Xu.

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Published in Khimiya Geterotsiklicheskikh Soedinenii, 2021, 57(1), 10–12

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Xu, J., Babaev, E.V. Synthesis and application of azacycloalk-1-ene-fused oxazol-3-ium salts (microreview). Chem Heterocycl Comp 57, 10–12 (2021). https://doi.org/10.1007/s10593-021-02860-3

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  • DOI: https://doi.org/10.1007/s10593-021-02860-3

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