4-(Protected amino)-3-oxo-1-(substituted and unsubstituted methylene)-1,2-pyrazolidinium ylides are intermediates to 7-substituted bicyclic pyrazolidione antimicrobials.
7-substituted bicyclic pyrazolidinones, pharmaceutical compositions and
申请人:Eli Lilly and Company
公开号:US04940718A1
公开(公告)日:1990-07-10
7-Substituted bicyclic pyrazolidinone compounds as antimicrobials and the corresponding intermediates, are discussed or provided. The use of the antimicrobial compounds in pharmaceutical compositions and in methods for treating bacterial infections is set forth.