Diazotization of substituted anilines 1 with NaNO2 and Conc. HCl at 0(0) gave the diazonium chlorides 2. Coupling of substituted aryl diazonium chlorides 2 with ethyl acetoacetate in methanol gave ethyl-2-arylhydrazono-3-oxobutyrates 3. Reaction of 3 with 2-hydroxybenzo hydrazide gave the novel pyrazolone derivatives (4a-j). The newly synthesized compounds were screened for their in vitro antibacterial, antifungal and antitubercular activities. Some of the new compounds showed good antibacterial and antitubercular activity. Structures of all the new compounds were established on the basis of elemental analysis, IR, H-1 NMR and Mass spectral data.
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Li, Yang-Biao
Xie, Yun-Ying
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Xie, Yun-Ying
Du, Na-Na
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Du, Na-Na
Lu, Yu
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Beijing TB & Thorac Tumor Res Inst, Beijing 101149, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Lu, Yu
Xu, Hong-Zhang
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Xu, Hong-Zhang
Wang, Bin
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Beijing TB & Thorac Tumor Res Inst, Beijing 101149, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Wang, Bin
Yu, Ying
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Yu, Ying
Liu, Yan-Xin
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Liu, Yan-Xin
Song, Dan-Qing
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Song, Dan-Qing
Chen, Ru-Xian
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Chinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
Peking Union Med Coll, Beijing 100050, Peoples R ChinaChinese Acad Med Sci, Inst Med Biotechnol, Beijing 100050, Peoples R China
机构:
Radhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, IndiaRadhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, India
Karale, Bhausaheb Kisan
Kundlikar, Sarita G.
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Radhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, IndiaRadhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, India
Kundlikar, Sarita G.
Akolkar, Hemantkumar N.
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Radhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, IndiaRadhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, India
Akolkar, Hemantkumar N.
Randhavane, Pratibha, V
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Radhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, IndiaRadhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, India
Randhavane, Pratibha, V
Takate, Sushama J.
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New Arts Sci & Commerce Coll, Dept Chem, Ahmednagar, Maharashtra, IndiaRadhabai Kale Mahila Mahavidyalaya, Dept Chem, Ahmednagar, Maharashtra, India