Reduction of nitrobenzoxazine (I) using Zn and NH4Cl afforded the corresponding amine (II), which was acetylated with acetic anhydride to give amide (III). Subsequent nitration of (III) yielded the 6-acetamido-7-nitro derivative (IV). Acidic hydrolysis of amide function of (IV) then furnished the nitroaniline (V). Further oxidative ring closure using sodium hypochlorite produced the benzofuroxan (VI). Finally, the N-oxide group was selectively reduced by treatment with triethyl phosphite to give the target compound.