A paradigm for the structures of cyclic aspirin derivatives

6,8-Dinitro-1,3-benzodioxin-4-one

“…So far as we are aware the structures of only three derivatives of 1,3-benzodioxin-4-one have been reported, viz 2-methyl-2-(2-naphthyloxy)-4H-1,3-benzodioxin-4-one (Jorgensen & Hansen, 1982) (I), 2-(2-methoxyphenoxy)-2-methyl-4-oxo-1,3-benzodioxane (Destro & Saccarello, 1983) (II), and 6-nitro-2-trichloromethyl-l,3-benzodioxin-4-one (Irving & Irving, 1986b) (III). In (I) and (II) the aromatic ring is unsubstituted and a bulky group occupies a pseudoaxial position at the 2-position, whereas (III) contains a 6-nitro group in the aromatic ring and the 2-position contains a pseudoequatorial -CC1 a group.…”