Patent ID: 6197825
Filing Date: 2001-03-06
Classification: A61P,C07C

Abstract:
A method of trapping a reactive free radical comprising providing a compound and allowing said compound to combine with a reactive free radical to provide an adduct comprising said free radical and said compound or its salt, wherein said compound includes a formula; ##STR12##in whichR.sub.1 may be a hydrogen, a linear or branched alkyl group comprising 1-6 carbon atoms, or an aryl group comprising 6-10 carbon atoms;R.sub.2 may be a linear or branched alkyl group comprising 1-6 carbon atoms, or an aryl group comprising 6-10 carbon atoms;R.sub.3 may be a hydrogen, or a linear or branched alkyl group comprising 1-6 carbon atom;R.sub.4 may be a hydrogen, or a linear or branched alkyl group comprising 1-6 carbon atoms;R' may be a linear or branched alkyl group comprising 1-6 carbon atoms;W may be a linear or a linear or branched alkyl group comprising 1-6 carbon atoms, an aryl group comprising 6-10 carbon atoms, or an electron-withdrawing group;n may be 0, 1, 2 (if n is 2, each W may be the same as or different from one another);m may be 0, 1, 2, or 3 (if m is 2 or 3, each R' may be the same as or different from one another);o may be 1 or 2 (if o is 2, each R.sub.1 and R.sub.2 may be the same as or different from one another);p may be 0, 1, or 2 (if p is 2, each R.sub.3 and R.sub.4 may be the same as or different from one another) or a salt thereof.