Nitric Acid → 2-Bromo-3-cyano-4,6-diamino-5-nitro pyridine

HRID 372377

Reaction equation

[Br:1][C:2]1[C:7]([C:8]#[N:9])=[C:6]([NH2:10])[CH:5]=[C:4]([NH2:11])[N:3]=1.[N+:12]([O-])([OH:14])=[O:13].S(=O)(=O)(O)O>>[Br:1][C:2]1[C:7]([C:8]#[N:9])=[C:6]([NH2:10])[C:5]([N+:12]([O-:14])=[O:13])=[C:4]([NH2:11])[N:3]=1

Participants

Reactant 3

HCID 944Nitric Acid

HCID 1118Sulfuric Acid

HCID 1706684,6-Diamino-2-bromo-3-pyridinecarbonitrile

Product 1

HCID 203274322-Bromo-3-cyano-4,6-diamino-5-nitro pyridine

Procedure

nitrating the corresponding 2-bromo-3-cyano-4,6-diamino pyridine with a mixture of nitric acid and sulphuric acid at -20° to +40° C to form the corresponding 2-bromo-3-cyano-4,6-diamino-5-nitro pyridine,

Sources & evidence

ORD record: ord-b4f1793d92a54fc28759ce59469db3e7
Source dataset: uspto-grants-1978_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US04091025

Linked notes

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