Two methyl 5-(2-chloropyridin-3-yl)pentanoates were prepared by condensation of 1,3-bis(silyloxy)-1,3-butadienes with 2-chloropyridine-3-carboxylic acid chloride. The permethylation of the products resulted in two completely different products, depending on the substitution pattern of the 1,3,5-tricarbonyl moiety.
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Published in Khimiya Geterotsiklicheskikh Soedinenii, 2021, 57(11), 1146–1148
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Bendrath, F., Langer, P. Synthesis and permethylation of methyl 5-(2-chloropyridin-3-yl)pentanoates. Chem Heterocycl Comp 57, 1146–1148 (2021). https://doi.org/10.1007/s10593-021-03033-y
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DOI: https://doi.org/10.1007/s10593-021-03033-y