This review provides generalized information on the synthesis of substituted pyrrolo[2,1-b]oxazoles, including derivatives fused with other rings, covering literature sources from mostly the last 10 years. We focus on the main methods for the synthesis of such compounds: tandem heterocyclization using 2-aminoethanols, the use of catalysts, α-C−H functionalization, as well as reactions with microwave activation.
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This study received financial support from the Russian Foundation for Basic Research (project No. 16-03-00530).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2018, 54(11), 1023–1025
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Linkova, E.I., Grinev, V.S. & Egorova, A.Y. 
Synthesis of pyrrolo[2,1-b]oxazole derivatives (microreview).
Chem Heterocycl Comp 54, 1023–1025 (2018). https://doi.org/10.1007/s10593-018-2385-9
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DOI: https://doi.org/10.1007/s10593-018-2385-9