A composition for testing or treating microbial systems or infections, comprising an effective potentiating amount of a microbial dihydropteridine antagonist, which itself inhibits hydroxymethyldihydropteridine pyrophospokinase and has a sufficiently low toxicity, in combination with an effective amount of a competitor of para-aminobenzoic acid or an inhibitor of dihydrofolate reductase or both, its method of preparation, and its use in the inhibition of the production of dihydrofolic acid by microorganisms under in vivo or in vitro conditions.
[EN] HPPK INHIBITORS USEFUL AS ANTIBACTERIAL AGENTS<br/>[FR] INHIBITEURS DE HPPK UTILES EN TANT QU'AGENTS ANTIBACTÉRIENS
申请人:US HEALTH
公开号:WO2018071531A1
公开(公告)日:2018-04-19
The disclosure provides linked purine pterin compounds of Formula I that are novel inhibitors of HPPK, a kinase responsible for an essential step in the biosynthesis of folic acid. (Formula I) The variables, e.g., A1-A3, R1-R4, B1-B2, and L1 are defined in the disclosure. These linked purine pterin inhibitors bind to HPPK with high affinity and specificity. Pharmaceutical compositions containing the HPPK inhibitors and methods of treating a bacterial infection in a patient with one or more of the HPPK inhibitors of the disclosure are also provided.
该披露提供了一种 Formula I 的嘌呤-喹啉化合物,这些化合物是 HPPK 的新型抑制剂,HPPK 是叶酸生物合成中一个关键步骤的激酶。变量,例如 A1-A3、R1-R4、B1-B2 和 L1 在该披露中有定义。这些嘌呤-喹啉抑制剂与 HPPK 结合具有高亲和力和特异性。还提供了含有 HPPK 抑制剂的药物组合物以及使用该披露中的一个或多个 HPPK 抑制剂治疗患者细菌感染的方法。
[EN] 4-AMINO-7,8-DIHYDROPTERIDINES, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND THEIR USE FOR THE TREATMENT OF DISEASES WHICH ARE CAUSED BY AN INCREASED NITRIC OXIDE LEVEL<br/>[FR] 4-AMINO-7,8-DIHYDROPTERIDINES, COMPOSITIONS PHARMACEUTIQUES LES CONTENANT, ET LEUR UTILISATION POUR TRAITER DES MALADIES CAUSEES PAR UNE AUGMENTATION DU NIVEAU D'OXYDE NITRIQUE
申请人:VASOPHARM BIOTECH GMBH
公开号:WO2005063752A1
公开(公告)日:2005-07-14
The present invention relates to the area of NO synthase inhibition and, more particularly, relates to novel 4-amino-7,8-dihydropteridines, pharmaceutical compositions containing said compounds, and the use of said compounds in the treatment of a disorder characterized by a disturbed nitric oxide level.
Compounds of Formula I, as shown below and defined herein: pharmaceutically acceptable salts thereof, synthesis, intermediates, formulations, and methods of disease treatment therewith, including treatment of cancers, such as tumors driven or mediated at least in part by RSK. This Abstract is not limiting of the invention.
2-Amino-4-hydroxy-6-hydroxymethyl-7,7-diethyl-7,8-dihydropteridine and
申请人:Burroughs Wellcome Co.
公开号:US04073786A1
公开(公告)日:1978-02-14
Novel pteridines of formula (I), ##STR1## wherein R is a lower alkyl group, optionally substituted with a hydroxy group and R.sup.1 and R.sup.2 are the same or different and each is a lower alkyl group having together at least 3 carbon atoms or R.sup.1 and R.sup.2, together with the carbon atom in the pteridine ring structure, form a spirocycloalkyl ring system having 4 to 6 carbon atoms outside the pteridine ring structure, and their method of preparation. The above compounds have bacteriostatic activity.