申请人:Umezawa Kazuo
公开号:US20070142465A1
公开(公告)日:2007-06-21
A compound represented by the following general formula (1):
wherein R
1
represents a hydrogen atom or a C2 to C4 alkanoyl group and R
2
represents a group represented by the following formula (A), (B), (C), (D), (E), (F), or (G):
wherein R
3
represents a C1 to C4 alkyl group can inhibit macrophage activation. Accordingly, a macrophage activation inhibitor containing a compound represented by the general formula (1) or its pharmacologically acceptable salt as an active ingredient is useful as an agent for preventing, improving, or treating a disease resulting from infection with pathogens such as a bacterium and a virus.