Hybrid compounds from chalcone and 1,2-benzothiazine pharmacophores as selective inhibitors of alkaline phosphatase isozymes
作者:Adnan Ashraf、Syeda Abida Ejaz、Shafiq Ur Rahman、Waseeq Ahmad Siddiqui、Muhammad Nadeem Arshad、Joanna Lecka、Jean Sévigny、Mohie E. Moustafa Zayed、Abdullah M. Asiri、Jamshed Iqbal、Christian G. Hartinger、Muhammad Hanif
DOI:10.1016/j.ejmech.2018.09.063
日期:2018.11
in a single molecule was aimed to yield multi-modal agents. Herein, we report a series of hybrid compounds 3a–3o derived from chalcones and 1,2-benzothiazine cores. They were synthesized from commercially available sodium saccharin, and the resulting 1,2-benzothiazine-derived ketone was then condensed with aromatic aldehydes in an aldol condensation to obtain the respective chalcones. The compounds were
查耳酮和1,2-苯并噻嗪是两类重要的生物活性化合物,每种支架都具有多种药理活性。将这两个药效基团组合在一个分子中的目的是产生多峰态药物。在此,我们报告了一系列杂化化合物3a – 3o衍生自查耳酮和1,2-苯并噻嗪核。它们由市售糖精钠合成,然后将得到的1,2-苯并噻嗪衍生的酮与芳香醛在醛醇缩合反应中缩合,得到相应的查耳酮。使用不同的分析技术(包括FT-IR,NMR光谱,质谱和X射线晶体学)对化合物进行表征。一些合成的查耳酮显示了对在COS-7细胞中瞬时表达的碱性磷酸酶同工酶的有效和/或选择性抑制特性。针对邻位,间位和对位不同取代基的影响,进行了详细的结构活性和选择性研究苯基残基的-位。化合物3c是最有效的人体肠道碱性磷酸酶(h -IAP)抑制剂(IC 50值为1.04μM),而对人体组织非特异性碱性磷酸酶(h -TNAP)同工酶没有活性。相反,3i是h -TNAP的选择性抑制剂,IC 50值为0