Synthesis and in–vitro anti–HIV–1 evaluation of novel pyrazolo[4,3–c]pyridin–4–one derivatives
作者:Sanjay Kumar、Shiv Gupta、Leila Fotooh Abadi、Shraddha Gaikwad、Dipen Desai、Kamlesh Kumar Bhutani、Smita Kulkarni、Inder Pal Singh
DOI:10.1016/j.ejmech.2019.111714
日期:2019.12
In our continuing efforts to find novel anti-HIV compounds, we have synthesized sixteen novel pyrazolo[4,3-c]pyridin-4-one derivatives. All the synthesized compounds were screened for anti-HIV activity against HIV-1VB59 (R5, subtype C). Compounds 12a-12c and 12e were also tested against HIV-1UG070 (X4, subtype D) in TZM-bl cell line. Compound 12c was found to be the most active against HIV-1VB59 and
在我们不断寻找新的抗HIV化合物的努力中,我们合成了16种新的吡唑并[4,3-c]吡啶-4-酮衍生物。筛选所有合成的化合物针对HIV-1VB59(R5,C型)的抗HIV活性。还测试了化合物12a-12c和12e在TZM-b1细胞系中的抗HIV-1UG070(X4,D亚型)。化合物12c被发现对HIV-1VB59和HIV-1UG070最有活性,IC50值分别为3.67μM和2.79μM,治疗指数分别为185和243。铅化合物12c有效抑制HIV-192 / BR / 018(R5,B型)和抗药性分离株NIH-119(X4 / R5,B型)和NARI-DR(R5,C型)。铅化合物的活性通过PBMC测定法进一步证实。分子对接数据表明,最具活性的化合物12c在HIV-1逆转录酶的非核苷结合口袋中结合,这已通过ToA分析得到了证实。因此,研究表明12c可以被认为是NNRTI,并且可以进一步探索作为抗HIV药物开发的先导。