Imidazo(2,1-b)benzothiazoles. II. Synthesis and antiinflammatory activity of some imidazo(2,1-b)benzothiazoles.
作者:Abdel-Nasser EL-SHORBAGI、Shin-ichiro SAKAI、Mahmoud A. EL-GENDY、Nabil OMAR、Hassan H. FARAG
DOI:10.1248/cpb.37.2971
日期:——
novel [2-[p-(un)substituted phenyl]imidazo[2,1-b]benzothiazol-3- yl]formaldehyde derivatives (6a--e). Derivatives 6a--e reacted with ethyl bromoacetate to give ethyl 3-hydroxy-3-[2-[p-(un)substituted phenyl]imidazo[2,1-b]benzothiazol- 3-yl]propionate esters (7a--e). Compound dl-7a was resolved with l-(+)-tartaric acid. Compounds 2a--e showed weak or no activity in the carrageein-induced paw edema assay