Synthesis and Characterization of New Theophylline and Chlordiazepoxide Prodrug Polymers based on Maleimide
作者:Layali Abdullah Abbas、Mohanad Mousa Kareem
DOI:10.14233/ajchem.2018.21634
日期:——
In this work, two new drug substituted monomers and new homogenous and heterogeneous polymers were synthesized which loaded with medicinal properties to extend the controlled drug. The first step includes the preparation maleimic acid (L1) and (L2) via reaction of maleic anhydride with 5-amino salicylic acid. Then compound L2 was converted to its corresponding acyl chloride derivative which reacted with amino drugs (theophylline and chlordiazepoxide, afforded L3 and L4 monomers, respectively. Homogeneous polymers (L5 and L6) prepared through polymerization reaction of free radicals of monomers (L1) and (L2) under nitrogen atmosphere using methyl ethyl ketone peroxide (MEKP) as initiator. Heterogeneous polymers (L7 and L8) prepared through polymerization reaction of free radicals of monomers (L1 and L2), separately with acrylic acid under nitrogen atmosphere using MEKP as initiator. All these prepared monomers and polymers were characterized by FTIR, 1H NMR and 13C NMR. Controlled drug release and swelling % was studied in different pH values at 37 ºC. Intrinsic viscosities were measured at 25 ºC with Ostwald viscometer and applied the characteristic of solubility for these polymers and studied the biological activities.
Transcription factor modulating compounds and methods of use thereof
申请人:Levy Stuart B.
公开号:US20090131401A1
公开(公告)日:2009-05-21
Substituted benzoimidazole compounds useful as anti-infectives that decrease resistance, virulence, or growth of microbes are provided. Methods of making and using substituted benzoimidazole compounds, as well as pharmaceutical preparations thereof, in, e.g., reducing antibiotic resistance and inhibiting biofilms.