Oxidation methods for aromatic diazines: Substituted pyrazine-N-oxides, pyrazine-N,N′-dioxides, and 2,2′:6′,2″-terpyridine-1,1″-dioxide
In the course of investigations into the intermolecular interactions of azaaromatic N-oxides it was necessary to perform oxidations of the pyridine and pyrazine moieties. Generally, it was found that direct oxidation with OXONE gave efficient preparation of pyrazine dioxides. Oxidation with dimethyldioxirane was used to preclude problems associated with the isolation of particularly hydrophilic pyrazine and pyrazine-N-oxides.
McKay, Scott E.,Sooter, Joseph A.,Bodige, Satish G.,Blackstock, Silas C.
p. 307 - 312
(2007/10/03)
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