Patent ID: 6329382
Filing Date: 2001-12-11
Classification: A61K,A61P,C07D

Abstract:
A pyrrolopyrazolopyrimidine derivative represented by the formula (1A): ##STR11##wherein R.sup.1A represents a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms; and R.sup.2A represents a halogen atom, a substituted alkyl group, an amino group which may be substituted, a carboxyl group, an alkoxycarbonyl group, a carbamoyl group, or an alkylcarbamoyl group, or a salt thereof; wherein said substituted alkyl is selected from the group consisting of alkoxyalkyl, aryloxyalkyl, aralkyloxyalkyl, mono-alkyl-aminoalkyl, di-alkyl-aminoalkyl, cyclic aminoalkyl, and hydroxyalkyl; and wherein said substituted amino is selected from the group consisting of mono-dialkylamino, di-alkyl-amino, cyclic amino, alkuylsulfonylamino optionally substituted with halogen, arylsulfonylamino, alkylcarbonylamino, arylcarbonylamino, ureido, substituted ureido, thioureido, substituted thioreido, hydrazino, and substituted hydrazino; and wherein R.sup.1A is not a tert-butyl group.