Novel oxazolidinone derivatives and a process for the preparation thereof
申请人:——
公开号:US20030166620A1
公开(公告)日:2003-09-04
The present invention relates to novel oxazolidinone derivatives, their pharmaceutically acceptable salts and a process for the preparation thereof. More particularly, the present invention relates to oxazolidinone derivatives having pyridine or pyrimidine moeity substituted by heterocycle and heteroaromaticcycle at 4-position of phenyl ring. The compounds of the present invention have wide antibacterial spectrum, superior antibacterial activity and low toxicity, such that the compound of this invention can be used as an antibacterial agent.
The present invention relates to novel derivatives of oxazolidinone, a method thereof and pharmaceutical compositions comprising the derivatives for use in an antibiotic. The oxazolidinone derivatives of the present invention show inhibitory activity against a broad spectrum of bacteria and lower toxicity. The prodrugs, prepared by reacting the compound having hydroxyl group with amino acid or phosphate, have an excellent efficiency on solubility thereof against water. Further, the derivatives of the present invention may exert potent antibacterial activity versus various human and animal pathogens, including Gram-positive bacteria such as Staphylococi, Enterococci and Streptococi, anaerobic microorganisms such as Bacteroides and Clostridia, and acid-resistant microorganisms such as Mycobacterium tuberculosis and Mycobacterium avium. Accordingly, the compositions comprising the oxazolidinone are used in an antibiotic.
Copper-Catalyzed C–N Bond Exchange of N-Heterocyclic Substituents around Pyridine and Pyrimidine Cores
作者:Sheng Tao、Enhui Ji、Lei Shi、Ning Liu、Liang Xu、Bin Dai
DOI:10.1055/s-0036-1590893
日期:2017.12
copper-catalyzed transfer N-heteroarylation strategy using a C–N bond exchange reaction is described. This reaction accommodates a wide range of pyridine and pyrimidinerings bearing halogen atoms, which have wide utility for subsequent transformations. This method provides a direct and operationally simple approach for modifying complex molecules by the exchange of N-heterocyclic substituents. A copper-catalyzed
S. Tao和E. Ji的贡献相等。 抽象的 描述了使用C–N键交换反应的铜催化转移N-杂芳基化策略。该反应可容纳范围广泛的带有卤素原子的吡啶和嘧啶环,它们对于随后的转化具有广泛的用途。该方法提供了直接且操作简单的方法,用于通过交换N杂环取代基来修饰复杂分子。 描述了使用C–N键交换反应的铜催化转移N-杂芳基化策略。该反应可容纳范围广泛的带有卤素原子的吡啶和嘧啶环,它们对于随后的转化具有广泛的用途。该方法提供了直接且操作简单的方法,用于通过交换N杂环取代基来修饰复杂分子。
Synthesis and antibacterial activity of oxazolidinones containing pyridine substituted with heteroaromatic ring
作者:Yeong Woo Jo、Weon Bin Im、Jae Keol Rhee、Mi Ja Shim、Won Bae Kim、Eung Chil Choi
DOI:10.1016/j.bmc.2004.08.025
日期:2004.11
group of linezolid was replaced with heteroaromatic ring substituted pyridine moiety, were newly synthesized, and their substituted effects on in vitro and in vivo antibacterialactivities were evaluated against four problematic gram-positive strains including drug resistant strains and two gram-negative strains. Most compounds exhibited the enhanced in vitro activities with 4-16-fold and three compounds
[EN] NOVEL OXAZOLIDINONE DERIVATIVES AND A PROCESS FOR THE PREPARATION THEREOF<br/>[FR] NOUVEAUX DERIVES OXAZOLIDINONE ET PROCESSUS DE PREPARATION DE CES DERIVES
申请人:DONG A PHARM CO LTD
公开号:WO2001094342A1
公开(公告)日:2001-12-13
The present invention relates to novel oxazolidinone derivatives, their pharmaceutically acceptable salts and a process for the preparation thereof. More particularly, the present invention relates to oxazolidinone derivatives having pyridine or pyrimidine moeity substituted by heterocycle and heteroaromaticcycle at 4-position of phenyl ring. The compounds of the present invention have wide antibacterial spectrum, superior antibacterial activity and low toxicity, such that the compound of this invention can be used as an antibacterial agent.