Pyridine, hydrofluoride (1:1) → HCID 66705837, compound
Reaction equation
[Br:1][C:2]1[C:3](N)=[N:4][CH:5]=[C:6]([Br:9])[C:7]=1[Cl:8].N([O-])=O.[Na+].N1C=CC=CC=1.[FH:21]>>[Br:1][C:2]1[C:3]([F:21])=[N:4][CH:5]=[C:6]([Br:9])[C:7]=1[Cl:8]Participants
4
Procedure
The reaction and post-treatment were carried out according to Example (8a) using 3,5-dibromo-4-chloropyridin-2-amine produced in Example (14a) (10.1 g, 35.4 mmol), sodium nitrite (3.66 g, 53.1 mmol) and hydrogen fluoride-pyridine (50 mL) to obtain the title compound (8.50 g, 83%) as a pale yellow oil.
Workup
- customThe reaction
Sources & evidence
- ORD record
- ord-44971ca8e29b4ac190f89b48945cd083
- Source dataset
- uspto-grants-2015_02
- Patent number
- US08946264B2
Reaction notes
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