In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate through a radical hydrocarbylation mechanism to yield 5 benzyl 2,3 dimethylpyrazine.