Synthesis and antimycobacterial activity of novel 4-[5-(substituted phenyl)-1-phenyl-4,5-dihydro-1H-3-pyrazolyl]-2-methylphenol derivatives
作者:Mohamed Ashraf Ali、Mohammad Shahar Yar
DOI:10.1007/s00044-007-9000-4
日期:2007.12
hydrazide in glacial acetic acid, which led to the formation of novel 4-[5-(substituted phenyl)-1-phenyl-4,5-dihydro-1 H -3-pyrazolyl]-2-methylphenol derivatives. All newly synthesized compounds were evaluated for their antimycobacterial activities against isoniazid-resistant Mycobacterium tuberculosis using agar dilution. 4-[5-(4-Fluoro phenyl)-1-phenyl-4,5-dihydro-1 H -3-pyrazolyl]-2-methylphenol
在目前的研究中,4-羟基-3-甲基苯乙酮与适当的醛在氢氧化钾甲醇溶液中缩合,生成相应的查耳酮(CI -XI)。这些相应的查耳酮在冰醋酸中与酰肼反应,导致形成新的4- [5-(取代的苯基)-1-苯基-4,5-二氢-1 H -3-吡唑基] -2-甲基苯酚衍生物。使用琼脂稀释液评估所有新合成的化合物对耐异烟肼 结核分枝杆菌的抗分枝 杆菌活性 。4- [5-(4-氟苯基)-1-苯基-4,5-二氢-1 H -3-吡唑基] -2-甲基苯酚显示出良好的抗分枝杆菌活性,最低抑制浓度为0.62μg/ ml。
Ali, Mohamed A.; Yar, Mohammad Shahar; Siddiqui, Anees A., Acta poloniae pharmaceutica, 2007, vol. 64, # 5, p. 435 - 439
作者:Ali, Mohamed A.、Yar, Mohammad Shahar、Siddiqui, Anees A.、Husain, Asif、Abdullah, Mustaqeem
DOI:——
日期:——
Synthesis, structural activity relationship and anti-tubercular activity of novel pyrazoline derivatives
In the present investigation, a series of 5+4-(substituted) phenyl)-3-(4-hydroxy-3-methylphenyl)-4,5-dihydro-IH-1-pyrazolyl-2-toluidino methane thione and 5-(substituted) phenyl-3-(4-hydroxy-3-methylphenyl)-4,5-dihydro-1H-1-pyrazolyl-2-methoxyanilino methane thione were synthesized by the reaction between hydrazine hydrate and chalcones (3a-k) followed by condensation with appropriate aryl isothiocyanate which yielded N-substituted pyrazoline derivatives. Newly synthesized compounds were tested for their in vitro anti-tubercular activity against Mycobacterium tuberculosis H37Rv using the BACTEC 460 radiometric system. Among the synthesized compounds, compound anilino-3-(4-hydroxy-3-methylphenyl)-5-(2,6-dichlorophenyl)-4,5-dihydro-1H-1-pyrazolylmethanethione (6i) was found to be more active agent against M. tuberculosis H37Rv with minimum inhibitory concentration of 0.0034 mu M. (c) 2006 Elsevier Masson SAS. All rights reserved.
Ali, Mohamed Ashraf; Yar, Mohammad Shahar, Acta poloniae pharmaceutica, 2007, vol. 64, # 2, p. 139 - 146
作者:Ali, Mohamed Ashraf、Yar, Mohammad Shahar
DOI:——
日期:——
Ali, Mohamed A.; Yar, Mohammad Shahar; Siddiqui, Anees A., Acta poloniae pharmaceutica, 2007, vol. 64, # 5, p. 423 - 428