申请人:Pratt Lisa Marie
公开号:US06846825B1
公开(公告)日:2005-01-25
Compounds of formula (II) are antibacterial agents wherein Q represents a radical of the formula: —N(OH)CH(═O) or the formula: —C(═O)NH(OH); R
1
represents hydrogen, C
1
-C
6
alkyl or C
1
-C
6
alkyl substituted by one or more halogen atoms, or, except when Q is a radical of the formula: —N(OH)CH(═O), a hydroxy, C
1
-C
6
alkoxy, C
1
-C
4
alkenyloxy, amino, C
1
-C
4
alkylamino, or di-(C
1
-C
6
alkyl)amino group; R
2
represents a substituted or unsubstituted C
1
-C
6
alkyl, cycloalkyl(C
1
-C
6
alkyl)- or aryl(C
1
-C
6
alkyl)-group; and A represents a group of formula (IIA), or (IIB) wherein R
4
represents the side chain of a natural or non-natural alpha amino acid, and R
5
and R
6
when taken together with the nitrogen atom to which they are attached form a saturated heterocyclic first ring of 5 to 7 atoms as specified in the description.
式(II)的化合物是抗菌剂,其中Q代表以下式的基团:—N(OH)CH(═O)或以下式的基团:—C(═O)NH(OH);R1代表氢、C1-C6烷基或被一个或多个卤素原子取代的C1-C6烷基,或者当Q不是以下式的基团:—N(OH)CH(═O)时,代表一个羟基、C1-C6烷氧基、C1-C4烯氧基、氨基、C1-C4烷基氨基或二-(C1-C6烷基)氨基;R2代表取代或未取代的C1-C6烷基、环烷基(C1-C6烷基)-或芳基(C1-C6烷基)-基团;A代表式(IIA)或(IIB)中的一个基团,其中R4代表天然或非天然α-氨基酸的侧链,当R5和R6与它们连接的氮原子一起形成描述中指定的由5到7个原子组成的饱和杂环第一环。