NOVEL 1(2H) QUINOLINE CARBOXYLIC ACID DERIVATIVES, METHOD FOR PREPARING SAME, AND USE THEREOF FOR SYNTHESISING SUSBTANCES HAVING ANTIBIOTIC PROPERTIES

摘要

Compounds of formula (I),wherein each of [err] [err] and [err]which are the same or different,is an alkyl radical containing upto 8 carbon atoms, n is an integerfrom 0 to 8, and [err] and [err] are anO-alkyl radical containing up to 8carbon atoms, or form a cyclic acetaltogether with the carbon atom towhich they are attached, are disclosed.The compounds may be used in thepreparation of substances suitable forpreparing antibiotic substances.