Process for the preparation of 2,7-Diazabicyclo(3.3.O)octanes.

摘要

The invention relates to 2,7-diazabicyclo[3.3.0]octanes of the formula (I) …… in which the substituents R<1> to R<8> have the meaning given in the description, and to a process for their preparation. The compounds according to the invention are useful intermediates for the preparation of highly active antibacterial quinolonecarboxylic acids. …The invention furthermore also relates to compounds of the formula (II) …… in which R<1> to R<8> likewise have the meaning given in the description.