申请人:Shionogi & Co., Ltd.
公开号:US04950686A1
公开(公告)日:1990-08-21
An anti-mycoplasma agent comprising tropolone, its derivatives, represented by the formula: ##STR1## (wherein R.sub.1 is hydroxy, aliphatic acyloxy, arylacyloxy, arysulfonyloxy, carboxyalkyloxy or its ester, benzoylalkyloxy, alkenyloxy, 1,3-dihydro-3-oxo-1-isobenzofuranyloxy, (2-oxo-5-methyl-1,3-dioxol-4-yl)methyloxy or thiocyanato and R.sub.2 is hydrogen, halogen, hydroxy, alkyl or alkoxy) and their salts as an active ingredient, which has potent activity especially against tylosin-resistant mycoplasma both in vitro and in vivo and is effectively used in treating the diseases caused thereby.
一种抗支原体剂,包括戊二酮、其衍生物,由以下式表示:##STR1##(其中R.sub.1为羟基、脂肪酰氧基、芳基酰氧基、芳基磺酰氧基、羧基烷氧基或其酯、苯甲酰烷氧基、烯烃氧基、1,3-二氢-3-氧代-1-异苯并呋喃基氧基、(2-氧代-5-甲基-1,3-二氧杂环戊-4-基)甲氧基或硫氰酸酯,R.sub.2为氢、卤素、羟基、烷基或烷氧基)及其盐作为活性成分,具有强效活性,特别对抗体红霉素耐药的支原体,在体内外均有效,并可有效用于治疗由此引起的疾病。