Conventional and microwave assisted synthesis of pyrazolone Mannich bases possessing anti-inflammatory, analgesic, ulcerogenic effect and antimicrobial properties
作者:Kullampalayam Krishnasamy Sivakumar、Aiyalu Rajasekaran、Palaniappan Senthilkumar、Prasad P. Wattamwar
DOI:10.1016/j.bmcl.2014.04.067
日期:2014.7
efficient synthesis of some Mannich base of 5-methyl-2-[(2-oxo-2H-chromen-3-yl)carbonyl]-2,4-dihydro-3H-pyrazol-3-one (4a–j) have been described by using conventional and non-conventional (microwave) techniques. Microwave assisted reactions showed that require shorter reaction time and good yield. The newly synthesized compounds were screened for their anti-inflammatory, analgesic activity, antioxidant
在本研究中,有效合成5-甲基-2-[(2-oxo-2 H -chromen-3-yl)羰基] -2,4-dihydro-3 H -pyrazol-3-的某些曼尼希碱已经通过使用常规和非常规(微波)技术描述了一种(4a – j)。微波辅助反应表明需要较短的反应时间和良好的收率。筛选了新合成的化合物的抗炎,镇痛活性,抗氧化剂,并与标准药物进行了比较。在所研究的化合物中,化合物(4f)与标准药物(吲哚美辛)相比具有几乎同等的抗炎和镇痛活性,并且具有最小的致溃疡指数。化合物(4b和4i)对被测革兰氏阴性细菌的活性比环丙沙星高1.06倍。