| abstract |
New thiazolyl derivatives represented by the following general formula: (FORMULA) where R1 represents a lower alkyl group or a substituted or unsubstituted phenyl group, R2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group or a group lower alkylthio, and R3 represents a pyridyl group, an isoxazolyl group or a group represented by (FORMULA) preparation process, and medicinal compositions containing them having an effect of control of the immunity and effective against the rheumatic fever, viral diseases , cancer, etc. |