| 摘要 |
For combating and preventing infections caused by a variety of microbes such as bacteria and Trichomonas vaginalis, new compounds of the formula WHEREIN X is O, S or NH; Y is O; S; -CH2-O-; -S-CH2-; -CH2-S-; -O-CH2-; -SO-; -SO-CH2-; -CH2-SO-; -CH2-SO2-; -SO2-CH2- or -CA2-, A being H, methyl, ethyl or phenyl; and R1, R2 and R3 each represents alkyl, hydroxy, hydroxyalkyl, alkoxy, alkoxyalkyl, alkoxyalkoxy, mono- or dialkylaminoalkyl, dialkylaminoalkoxy, amino, acylamino, mono- or dialkylamino, alkylsulfonylamino, acyloxy, alkylsulfonyloxy, benzyloxy groups wherein each alkyl, alkoxy or acyl residue is not more than five carbon atoms and acyl is derived from a carboxylic acid; halogen; or hydrogen with the provision that when Y represents -CH2-, at least one of R1, R2, and R3 is other than hydrogen. |
