5-Bromo-2-chloropyridine N-oxide synthesis
- Product Name:5-Bromo-2-chloropyridine N-oxide
- CAS Number:889865-43-4
- Molecular formula:C5H3BrClNO
- Molecular Weight:208.44
53939-30-3
484 suppliers
$5.00/1g
889865-43-4
32 suppliers
$167.00/1g
Yield:889865-43-4 78%
Reaction Conditions:
Stage #1: 5-bromo-2-chloropyridinewith urea hydrogen peroxide adduct;trifluoroacetic anhydride in chloroform at 0 - 20; for 1 h;
Stage #2: with sodium thiosulfate in chloroform;water at 20; for 0.666667 h;
References:
WO2006/59778,2006,A1 Location in patent:Page/Page column 57