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유충규(Chung Kyu Ryu),류재천(Jae Chun Ryu),정세영(Sae Young Chung),김동현(Dong Hyun Kim) 대한약학회 1992 약학회지 Vol.36 No.2
In order to evaluate the antimicrobial effect of 2,3-substituted-1,4-naphthoquinone derivatives, we newly synthesized several 2-chloro, 2-bromo and 2-hydroxy-1,4-naphthoquinones and subjected to antibacterial and antifungal activities, in vitro, against Escherichia coli HIHJ, Staphylococcus aureus ATCC6538p, Candida albicans 10231, Aspergillus niger 1231 andTricophyton mentagrophytes 6085. Among these derivatives 3,9,18 and 23 showed the potent antibacterial activities. 18,23 and 28 have the antifungal activities. However, these compounds have no significant hemolytic activity at concentrations higher than that required for showing the antibacterial and antifungal activities.
이마세(Ma Sae Lee),정성현(Sung Hyun Chung),김동현(Dong Hyun Kim),정세영(Se Young Choung),김신규(Sin Kyu Kim) 대한약학회 1990 약학회지 Vol.34 No.5
Irradiation of the berberinephenolbetaine in a stream of argon produced the 8,14-cycloberberines[1]. On treatment with ethylchloroformate C8-N bond cleavage of the compound[1] occurred, accompanied with dehydrochlorination to give 7-ethylcarboxyisoquinoline[3], and the product[3] treated with strong alkali solution to give the 13-oxonorotensane[4] in 64% yield. Irradiation of the compound[4] converted easily to dihydro-8H-dibenzo[a, g] quinolizine-8-one[5]. and then the compound[5] was treated with methyliodide to give the 8-oxo-quinolizinium methiode. The intermediate colume chromatography on IRA-400 afforded the benzo[c, g]azecine-5-one[6] in 63% yield. The result of biological activities for these compounds are also presented.
유충규,류재천,정세영,김동현 梨花女子大學校 藥學硏究所 1992 藥學硏究論文集 Vol.- No.2
In order to evaluate the antimicrobial effect of 2,3-substituted-1.4-naphthoquinone derivatives, we newly synthesized several 2-chloro, 2-bromo and 2-hydroxy-1, 4-naphthoquinones and subjected to antibacterial and antifungal activites, in vitro, against Escherichia coli NIHJ, Staphylococcus aureus ATCC6538p, Candida albicans 10231, Aspergillus niger 1231 and Tricophyton mentagrophytes 6085. Among these derivatives 3, 9, 18 and 23 showed the potent antibacterial activities. 18, 23 and 28 have the antifungal activities. However, these compounds have no significant hemolytic activity at concentrations higher than that required for showing the antibacterial and antifungal activities.