Nucleophilic aromatic substitution of me
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Jarle Holt; Freddy Tjosรฅs; Jan M. Bakke; Anne Fiksdahl
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Article
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2004
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Journal of Heterocyclic Chemistry
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English
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## Abstract The nitro group of methyl 3โnitropyridineโ4โcarboxylate (**1**) has successfully been replaced by nitrogen, oxygen and sulphur nucleophiles by nucleophilic aromatic substitution to give the 3โazido, 3โmethoxy, 3โphenoxy and 3โthiophenoxypyridineโ4โcarboxylates (**2a โ d**).