2-Hydroxy-5-nitronicotinic acid

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Product name:2-Hydroxy-5-nitronicotinic acid

CAS
:6854-07-5

Molecular Weight:184.11g/mol

Molecular Formula:C6H4N2O5

Description:2-Hydroxy-5-nitro-nicotinic acid (2.7 mmol) in a mixture of NJV- dimethylformamide (2.7 mmol) and thionyl chloride (5 ml) was heated at 80 0C for 1 h. The mixture was allowed to cool and concentrated in vacuo. To the resulting residue was added ice-water (20 ml) and with vigorous stirring a precipitate formed. The precipitate was filtered off and dried in a vacuum oven to give a white solid (68%).

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