Isoindoline derivatives represented by the formula (I) and their salts are disclosed. ##STR1## There are many varieties for the compound depending on the types of residues R.sup.1 -R.sup.9 and X. The compounds can be prepared from quinoline derivatives of the formula (II) and an isoindoline derivatives of the formula (III). The compounds of formula (I) and their salts have excellent antibacterial activities against both gram positive and gram negative microorganisms. They can be used as a medicine, an agrichemical, and a food preservative.
公开了由公式(I)表示的Isoindoline衍
生物及其盐。 ##STR1##化合物的种类取决于残基R.sup.1-R.sup.9和X的类型。这些化合物可以从公式(II)的
喹啉衍
生物和公式(III)的Isoindoline衍
生物制备而成。公式(I)的化合物及其盐对革兰氏阳性和革兰氏阴性微
生物具有优异的抗菌活性。它们可以用作药物,农业
化学品和食品
防腐剂。