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    • 91. 发明授权
    • Method for decontamination of mycoplasma-infected cell cultures
    • 支原体感染细胞培养物去污方法
    • US4895803A
    • 1990-01-23
    • US921995
    • 1986-10-22
    • Gunter E. HubnerHelmut BrunnerHans-Joachim Zeiler
    • Gunter E. HubnerHelmut BrunnerHans-Joachim Zeiler
    • C12N5/06A61L2/00C07D215/56C07D401/04C12N1/38C12N5/00C12R1/91
    • A61L2/0088C12N1/38
    • A method for decontaminating cell cultures comprising contacting cell cultures with quinolone- and 1,8-naphthyridonecarboxylic acids of the formula (I) ##STR1## in which R.sup.1 represents methyl, ethyl, propyl, isopropyl, cyclopropyl, vinyl, 2-hydroxyethyl, 2-fluorethyl, methoxy, amino, methylamino, dimethylamino, ethylamino, phenyl, 4-fluorophenyl or 2,4-difluorophenyl,R.sup.2 represents hydrogen, alkyl having 1 to 4 carbon atoms, or (5-methyl-2-oxo-1,3-dioxol-4-yl)-methyl,R.sup.3 represents methyl or a cyclic amino group such as ##STR2## in which R.sup.4 represents hydrogen, alkyl having 1 to 4 carbon atoms, 2-hydroxyethyl, allyl, propargyl, 2-oxopropyl, 3-oxobutyl, phenacyl, formyl, CFCl.sub.2 --S--, CFCl.sub.2 --SO.sub.2 --, CH.sub.3 O--CO--S--, benzyl, 4-aminobenzyl or ##STR3## R.sup.5 represents hydrogen or methyl, R.sup.6 represents hydrogen, alkyl having 1 to 4 carbon atoms, phenyl or benzyloxomethyl,R.sup.7 represents hydrogen, amino, methylamino, ethylamino, aminomethyl, methylaminomethyl, ethylaminomethyl, dimethylaminomethyl, hydroxyl, or hydroxymethyl,R.sup.8 represents hydrogen, methyl, ethyl or chlorineX represents fluorine, chlorine or nitro andA represents N or C-R.sup.9, in whichR.sup.9 represents hydrogen, halogen such as fluorine or chlorine, methyl or nitro, or can also, together with R.sup.1, form a bridge of the structure --O--CH.sub.2 --CH--CH.sub.3, --S--CH.sub.2 --CH--CH.sub.3 or --CH.sub.2 --CH.sub.2 --CH--CH.sub.3.
    • 一种净化细胞培养物的方法,包括使细胞培养物与式(I)的化合物和其中R1代表甲基,乙基,丙基,异丙基,环丙基,乙烯基,2-羟基乙基,2- - 甲氧基,氨基,甲基氨基,二甲基氨基,乙基氨基,苯基,4-氟苯基或2,4-二氟苯基,R 2表示氢,具有1至4个碳原子的烷基,或(5-甲基-2-氧代-1,3 R 3表示氢,具有1至4个碳原子的烷基,2-甲基苯基,2-甲氧基丙基, 羟乙基,烯丙基,炔丙基,2-氧代丙基,3-氧代丁基,苯甲酰甲基,甲酰基,CFCl 2 -S-,CFCl 2 -SO 2 - ,CH 3 O-CO-S-,苄基,4-氨基苄基或R 5表示氢或甲基, R6表示氢,具有1至4个碳原子的烷基,苯基或苄氧基甲基,R7表示氢,氨基,甲基氨基,乙基氨基,氨基甲基,甲基氨基甲基,乙基氨基甲基,一分子 羟基或羟甲基,R 8表示氢,甲基,乙基或氯,X表示氟,氯或硝基,A表示N或C-R 9,其中R 9表示氢,卤素如氟或氯,甲基或硝基,或 也可以与R1一起形成结构-O-CH 2 -CH-CH 3,-S-CH 2 -CH-CH 3或-CH 2 -CH 2 -CH-CH 3的桥。