4,5-Dihalopyrrol-2-yl oxyphenyl ketones, prepared either by Friedel-Crafts condensation of a 4,5-dihalopyrrole-2-carboxylic acid halide with an appropriate hydroxy or lower-alkoxy-substituted benzene or by condensation of a hydroxy or lower-alkoxy-substituted benzaldehyde with pyrrole in the presence of sodium hydride followed by halogenation, with elemental chlorine or bromine, of the resulting pyrrol-2-yl oxyphenyl ketone, useful as antibacterial and antifungal agents.
INHIBITION OF BACTERIAL BIOFILMS WITH IMIDAZOLE DERIVATIVES
申请人:Melander Christian
公开号:US20080181923A1
公开(公告)日:2008-07-31
Disclosure is provided for imidazole derivative compounds that prevent, remove and/or inhibit the formation of biofilms, compositions comprising these compounds, devices comprising these compounds, and methods of using the same.
INHIBITION OF BIOFILMS IN PLANTS WITH IMIDAZOLE DERIVATIVES
申请人:Melander Christian
公开号:US20090143230A1
公开(公告)日:2009-06-04
Disclosure is provided for methods of preventing, removing or inhibiting microbial biofilm formation or microbial infection in a plant or plant part thereof, including applying thereto a treatment effective amount of an active compound as described herein, or an agriculturally acceptable salt thereof. Methods of enhancing a microbicide (e.g., including a copper, antibiotic, bacteriophage, etc.) and/or plant defense activator are also provided, including applying an active compound as described herein. Compositions comprising an active compound as described herein in an agriculturally acceptable carrier are also provided, and in some embodiments the compositions further include a microbicide (e.g., including copper, antibiotic, bacteriophage, etc.) and/or plant defense activator.
4,5-Dihalopyrrole-2-carboxamide derivatives, prepared by reaction of a corresponding 4,5-dihalopyrrole-2-carboxylic acid halide or a corresponding 4,5-dihalopyrrol-2-yl trihalomethyl ketone with an appropriate amine, have antibacterial and herbicidal activities.
A Chlorinating Reagent: N-chloro-N-methoxybenzene Sulfonamide
作者:Xiaoqiu Pu、Qingwei Li、Zehai Lu、Xianjin Yang
DOI:10.1002/ejoc.201601226
日期:2016.11
Abstract: A structurally simple and reactive chlorinatingreagent,N-chloro-N-methoxybenzenesulfonamide, was conveniently and economically prepared in high yield. 1,3-Diketones, β-keto esters, benzoyl trifluoroacetones, phenols, anisoles, heteroarenes andaromatic amines were chlorinated with it, obtaining chlorinated products in good to high yields.