A series of dapsone-related 4-aminophenyl and 2-aminothiazolyl derivat
ives was prepared, and their antinephritic activity and blood toxicity
were evaluated. 5-(2-Pyridylsulfonyl)-2-thiazolamine (FR115092, 26) w
as effective against two nephritis models, namely graft-versus-host di
sease (GVHD) and autoimmune W/BF1 mice, and showed none of the blood t
oxicity observed with dapsone. (C) 1997 Elsevier Science Ltd. All righ
ts reserved.