Synthesis and permethylation of methyl 5-(2-chloropyridin-3-yl)pentanoates
Chemistry of Heterocyclic Compounds（2022）
摘要
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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关键词
8-azachromones, pyrano[2,3-b]pyridines, pyridines, silyl enol ethers, cyclizations
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