3-Arylpyrrolidines via azomethine ylide 1,3-dipolar cycloaddition to styrenes
作者:Edgardo Laborde
DOI:10.1016/s0040-4039(00)60997-8
日期:1992.10
Monosubstituted olefins conjugated to an aromatic or heteroaromatic ring undergo 1,3-dipolar cycloaddition with the azomethie ylide derived from N-benzyl-N-(methoxymethyl)trimethylsilylamine to give 3-aryl- and 3-hetero-arylpyrrolidines in good to excellent yield.
7-substituted quinolones and naphthyridones as antibacterial agents
申请人:Warner-Lambert Company
公开号:US05221676A1
公开(公告)日:1993-06-22
7-Substituted quinolones and naphthyridones are described as antibacterial agents as well as a process for their manufacture, compositions therefor, wherein the 7-substituent is a pyrrolidine ring substituted at the 3-position by a substituted aromatic hydrocarbon or a heteroaromatic group.
Novel rifamycin derivatives of formula I (both hydroquinone and corresponding quinone (C
1
-C
4
) forms):
or their salts, hydrates or prodrugs thereof,
wherein: a preferred R comprises hydrogen, acetyl; L is a linker, a preferred linker group elements selected from any combination of 1 to 5 groups shown FIG.
1
, provided L is not
wherein R
1
is H, methyl or alkyl. The inventive compounds exhibit valuable antibiotic properties. Formulations having these compounds can be used in the control or prevention of infectious diseases in mammals, both humans and non-humans. In particular, the compounds exhibit a pronounced antibacterial activity, even against multiresistant strains of microbes.
[EN] 7-SUBSTITUTED QUINOLONES AND NAPHTHYRIDONES AS ANTIBACTERIAL AGENTS
申请人:WARNER-LAMBERT COMPANY
公开号:WO1993016077A1
公开(公告)日:1993-08-19
(EN) 7-Substituted quinolones and naphthyridones are described as antibacterial agents as well as a process for their manufacture, compositions therefor, wherein the 7-substituent is a pyrrolidine ring substituted at the 3-position by a substituted aromatic hydrocarbon or a heteroaromatic group.(FR) L'invention se rapporte à des naphtyridones et à des quinolones substituées en position 7, et qui sont utilisées comme agents antibactériens, ainsi qu'à un procédé de fabrication et à des compositions les contenant, le substituant en position 7 étant un cycle pyrrolidine substitué en position 3 par un hydrocarbure aromatique substitué ou par un groupe hétéroaromatique.