new dibicyclo (3,3,1) and (2,2,1) heptyl and dibicycle (3,3,1) and (2,2,1) hepyrnyl polyamides and their methods of preparation

摘要

Compounds of the formula I IMAGE and their acid addition salts in which A represents identical or different groups of the formula IMAGE or a [3.1.1]bicyclic group of the formula IMAGE and the other substituents have the meaning given in Claim 1 are prepared by reduction of the corresponding Schiff's base. The compounds have a broad antimicrobial spectrum and are particularly active against Gram-negative and anaerobic bacteria.