Organic & biomolecular chemistry

Substitution reactions of 5-nitropyridine-2-sulfonic acid. A new pathway to 2, 5-disubstituted pyridines

JM Bakke, I Sletvold

文献索引：Bakke, Jan M.; Sletvold, Ingrid Organic and Biomolecular Chemistry, 2003 , vol. 1, # 15 p. 2710 - 2715

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被引用次数: 9

摘要

We have investigated reactions of 5-nitropyridine-2-sulfonic acid and its potassium salt in which substitution of the sulfonate group by oxygen, nitrogen and halogen nucleophiles has been attempted. By this approach, 2-methoxy-(95% yield), 2-ethoxy-(97%), 2-isopropoxy-