Ferulic acid and benzothiazole dimer derivatives with high binding affinity to β-amyloid fibrils
作者:Seong Rim Byeon、Yun Jung Jin、Soo Jeong Lim、Ji Hoon Lee、Kyung Ho Yoo、Kye Jung Shin、Seung Jun Oh、Dong Jin Kim
DOI:10.1016/j.bmcl.2007.04.079
日期:2007.7
New ferulic acid and benzothiazole dimer derivatives were synthesized and evaluated by in vitro competition assay using [(125)I]TZDM for their specific binding affinities to Abeta fibrils. In particular, 4a showed the most excellent binding affinity (K(i)=0.53 nM), compared to PIB (K(i)=0.77 nM), for benzothiazole binding sites of Abeta(1-42) fibrils. This result suggests a possibility of a potential
合成了新的阿魏酸和苯并噻唑二聚体衍生物,并通过体外竞争试验使用[(125)I] TZDM评估了它们与Abeta原纤维的特异性结合亲和力。特别地,与PIB(K(i)= 0.77 nM)相比,4a对Abeta(1-42)原纤维的苯并噻唑结合位点显示出最优异的结合亲和力(K(i)= 0.53 nM)。该结果表明潜在的AD诊断探针用于检测Abeta原纤维的可能性。