Computed Properties of C9H7NO3. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 6-Acetylbenzo[d]oxazol-2(3H)-one, is researched, Molecular C9H7NO3, CAS is 54903-09-2, about “”Fries Like”” Rearrangement: a novel and efficient method for the synthesis of 6-acyl-2(3H)-benzoxazolones and 6-acyl-2(3H)-benzothiazolones. Author is Ucar, Huseyin; Van derpoorten, Kim; Depovere, Paul; Lesieur, Daniel; Isa, Majed; Masereel, Bernard; Delarge, Jacques; Poupaert, Jacques H..
6-Acyl-2(3H)-benzoxazolone and 6-acyl-2(3H)-benzothiazolone derivatives have particularly interesting antiinflammatory, antiepileptic, analgesic and antiviral properties. A method of acylation on the 6-position of 2(3H)-benzoxazolone and 2(3H)-benzothiazolone which consists in a two-step procedure involving migration of the acyl group from the N-position to the 6-position of the heterocycle, at 165° and catalyzed by AlCl3 is reported. This new procedure is more efficient with regard to the consumption of AlCl3 and the yield (76-90%) than other acylation methods previously described.
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