4-acetyl-3-(4-substitutedphenylamino)-isoxazole-5(2H)-one, substituted on nitrogen with a 2-chlorobenzo[d] oxazole group, reacts with triethylamine (TEA) in ethanol under reflux conditions to provide a convenient synthesis of 1-(2-(4-substitutedphenylamino)-imidazo-[2,1-b]-benzoxazol-3-yl)-ethanone
کلید واژگان :
Isoxazolones, 2-chlorobenzo[d]oxazole, Imidazobenzoxazol, Base induced rearrangements.
