Synthesis and discovery of triazolo-pyridazine-6-yl-substituted piperazines as effective anti-diabetic drugs; evaluated over dipeptidyl peptidase-4 inhibition mechanism and insulinotropic activities
作者:B. Bindu、S. Vijayalakshmi、A. Manikandan
DOI:10.1016/j.ejmech.2019.111912
日期:2020.2
A family of 12 triazolo-pyridazine-6-yl-substituted piperazines (5a-l) was synthesized and evaluated for their Dipeptidyl peptidase-4 (DPP-4) inhibition potentials in order to develop them as anti-diabetic medications. In the two-step synthesis process, 6-chloro-3-(m-tolyl)-[1,2,4]triazolo[4,3-b]pyridazine was synthesized with one-pot mode using pyridine, 3,6-dichloropyridazine 5-(3-methyl-phenyl)tetrazole
合成了十二族三唑并哒嗪-6-基取代的哌嗪(5a-1)家族,并对其二肽基肽酶-4(DPP-4)抑制潜力进行了评估,以便将其开发为抗糖尿病药物。在两步合成过程中,使用吡啶3,6-一锅法合成了6-氯-3-(间甲苯基)-[1,2,4]三唑并[4,3-b]哒嗪。二氯哒嗪5-(3-甲基-苯基)四唑的甲苯溶液。将相应的2°胺与6-氯-3-(间甲苯基)-[1,2,4]三唑并[4,3-b]哒嗪共轭可得到目标三唑并哒嗪-6-基取代的哌嗪(5a- l)。这些化合物对DPP-4的抑制潜力已在计算机和硝基中进行了验证,并在832/13 INS-1细胞中具有其促胰岛素活性。进行了H 2 O 2自由基清除测定和MTT测定,以分别评估这些化合物的抗氧化剂和细胞毒性。基于分子对接和ELISA的酶抑制试验结果表明目标化合物具有很强的抑制潜力。MTT分析结果表明,可以使用的最大剂量为2.5 nM(IC50 1.25 nM),超