Anticonvulsant and Antitubercular Activities of 6-Phenyl/Biphenyl-4-yl-2- [2-(pyridin-2-ylamino)-ethyl]- and 6-(Biphenyl-4yl)-2-(2N-subtituted amin- 1-yl)-ethyl derivatives of 4,5-dihydropyridazin-3(2H)-one
摘要:
一些 6-苯基/联苯-4-基-2-[2-(吡啶-2-基氨基)-乙基]/2-(2N-亚氨基-1-基)-乙基-4,5-二氢哒嗪-3(2H)-酮 (4a-h) 是通过 6-苯基/联苯-4,5-二氢哒嗪-3(2H)-酮与环状仲胺的溴乙基衍生物和 2-氨基吡啶反应合成的。采用最大电击(MES)和异烟肼(INH)诱导惊厥法(50 毫克/千克剂量水平)对所有 4a-h 化合物的抗惊厥活性进行了评估,并采用微孔板阿尔马蓝测定法(MABA)对其抗结核活性进行了评估。在抗惊厥活性方面,以苯妥英(25 毫克/千克)和乙酰丙酸钠(50 毫克/千克)为参照药物。所有化合物(4a-h)在 MES 和 INH 法中都显示出显著的抗惊厥活性,其中化合物 g 在 MES 法中显示出最高的活性。
在抗结核活性方面,与参考药物[异烟肼(3.125 µg/ml)、吡嗪酰胺(3.125 µg/ml)]和链霉素(6.25 µg/ml)的 MIC 值相比,化合物 4c-4h 显示出 25 μg/ml 的 MIC 值,化合物 4a-4b 显示出 50 µg/ml 的 MIC 值,其效力低于参考药物。
Synthesis, anti-convulsant activity and molecular docking study of novel thiazole pyridazinone hybrid analogues
作者:Aness Ahmad Siddiqui、Sangh Partap、Subuhi Khisal、Mohammad Shahar Yar、Ravinesh Mishra
DOI:10.1016/j.bioorg.2020.103584
日期:2020.6
Pyridazinone analogues have been known to be potential candidates for anticonvulsant agents. We have identified several pyridazinone-based anticonvulsant agents. As a continuation to our previous research, a series of hybrid pyridazinone-thiazole connected through amide linkage were designed and synthesized. Among these, compound SP-5F demonstrated significant anticonvulsant activity with median effective
Design, Synthesis, and Pharmacological Screening of Pyridazinone Hybrids as Anticonvulsant Agents
作者:Sangh Partap、Mohammad Shahar Yar、Md. Zaheen Hassan、Md. Jawaid Akhtar、Anees A. Siddiqui
DOI:10.1002/ardp.201700135
日期:2017.10
A series of new hybrid benzimidazole containing pyridazinones derivatives were designed and synthesized in accordance with the pharmacophoric requirements essential for the anticonvulsant activity. The synthesized compounds were evaluated for anticonvulsant activity on mice by the gold standard maximal electroshock (MES) and subcutaneous pentylenetetrazole (scPTZ)‐induced seizure models. Among the
An efficient Ni–(S,S)-Ph-BPE complex that catalyzed asymmetrichydrogenation of cyclic N-acyl hydrazones has been developed to produce various chiral cyclic hydrazines in high yields with excellent enantioselectivities of up to >99% enantiomeric excess. Moreover, the hydrogenation can not only proceed smoothly on a gram scale under lower catalyst loading (S/C = 3000) without any decrease of enantioselectivity
已开发出一种高效的 Ni-( S , S )-Ph-BPE 络合物,可催化环状N-酰基腙的不对称氢化,以高产率生产各种手性环状肼,具有高达 >99% 对映体过量的出色对映选择性。此外,氢化不仅可以在较低的催化剂负载量(S/C = 3000)下顺利进行,而且对映选择性没有任何降低,而且还可以应用于 RIP-1 激酶抑制剂的不对称合成。
Islam, Mojahidul; Siddiqui, Anees A.; Rajesh, Ramadoss, Acta poloniae pharmaceutica, 2008, vol. 65, # 3, p. 353 - 362