PREPARATION OF INTERMEDIATES IN THE SYNTHESIS OF QUINOLINE ANTIBIOTICS

摘要

This invention relates to novel processes for preparing compounds of formulae (III) and (VII) wherein R and X defined as below. Compounds of the formulae (VII) are useful as intermediates in the syntheses of azabicyclo quinoline carboxylic acids having antibacterial activity. This invention also relates to certain novel intermediates in the syntheses such antibiotics.