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RISS 인기검색어
- 검색키워드
- 저자 : Hanan M. Refaat (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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Synthesis and Antimicrobial Activity of Certain Novel Quinoxalines
Refaat, Hanan-M.,Moneer, Ashraf-A.,Khalil, Omneya-M. The Pharmaceutical Society of Korea 2004 Archives of Pharmacal Research Vol.27 No.11
In this study, certain 3-methyl-2-[4-(substituted amino carbonyl)anilino] quinoxalines, (2a-d) and (3a-d), were synthesized from the new key compound 2-[4-(ethoxycarbonyl)anilino]-3-methyl quinoxaline (1). In addition, a series of 2-[4-(arylidene hydrazinocarbonyl)anilino]-3-methyl quinoxalines (5a-e), as well as their cyclized oxadiazolinyl derivatives (6a-e), and a series of 2-[4-$N^2$-acylhydrazinocarbonyl)anilino]-3-methyl quinoxalines (7a-d), as well as their cyclized oxadiazolyl derivatives (8a-d) were also prepared. Some of these derivatives were evaluated for antimicrobial activity in vitro. It was found that all the selected compounds exhibit antimicrobial activity and that compound 5b had a broad spectrum of activity.
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Synthesis and Anti-inflammatory Activity of Certain Piperazinylthienylpyridazine Derivatives
Hanan M. Refaat,Omneya M. Khalil,Hanan H. Kadry 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.7
In this study, a novel series of 2-(4-substituted piperazin-l-ylmethyl)-6-(thien-2-yl)-2H-pyridazin- 3-ones (3a-f), 2-(4-substituted piperazin-l-yl carbonylmethyl)-6-(thien-2-yl)-2H-pyridazin-3-ones (4a-c) and 2-[2-(4-substituted piperazin-l-ylcarbonylethyl)]-6-(thien-2-yl)-2H-pyridazin-3-ones (5a,b) were prepared from 6-(thien-2-yl)-2H- pyridazin-3-one (1). In addition, 3-(4-substituted piperazin-l-ylcarbonyl methyl thio)-6-(thien-2-yl) pyridazines (6a-c) and 3-[2-(4-substitutedpiperazin- l-ylcarbonyl ethylthio]-6-(thien-2-yl) pyridazines (7a,b) were synthesized. Furthermore, 5-(4-substituted piperazin-l-ylmethyl)-6-(thien-2-yl)-2H-pyridazin-3-ones (12a,b) were prepared. The structures of the new compounds were confirmed by elemental analysis as well as by 1H-NMR, IR and MS data. Some of the newly prepared compounds were subjected to evaluation for their anti-inflammatory activity against carrageenan-induced paw edema at a dose of 10 mg/kg using indomethacin as the reference standard.
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Synthesis and Anti-inflammatory Activity of Certain Piperazinylthienylpyridazine Derivatives
Khalil, Omneya M.,Kadry, Hanan H.,Refaat, Hanan M. 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.7
In this study, a novel series of 2-(4-substituted piperazin-l-ylmethyl)-6-(thien-2-yl)-2H-pyridazin-3-ones (3a-f), 2-(4-substituted piperazin-l-ylcarbonylmethyl)-6-(thien-2-yl)-2H-pyridazin-3-ones (4a-c) and 2-[2-(4-substituted piperazin-l-ylcarbonylethyl)]-6-(thien-2-yl)-2H-pyridazin-3-ones (5a,b) were prepared from 6-(thien-2-yl)-2H- pyridazin-3-one (1). In addition, 3-(4-substituted piperazin-l-ylcarbonyl methyl thio)-6-(thien-2-yl) pyridazines (6a-c) and 3-[2-(4-substitutedpip-erazin-l-ylcarbonyl ethylthio]-6-(thien-2-yl) pyridazines (7a,b) were synthesized. Furthermore, 5-(4-substituted piperazin-l-ylmethyl)-6-(thien-2-yl)-2H-pyridazin-3-ones (12a,b) were prepared. The structures of the new compounds were confirmed by elemental analysis as well as by $^{1}H-NMR$, IR and MS data. Some of the newly prepared compounds were subjected to evaluation for their anti-inflammatory activity against carrageenan-induced paw edema at a dose of 10 mg/kg using indomethacin as the reference standard.
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