申请人:MITSUBISHI CHEMICAL CORPORATION
公开号:EP0887341A1
公开(公告)日:1998-12-30
A compound represented by the following general formula (I):
wherein R1 represents a C3-C8 cycloalkyl group, an optionally substituted C6-C14 aryl group, an optionally substituted heterocyclic residue, an optionally substituted C6-C14 aryloxy group, or an optionally substituted C7-C15 arylmethyl group; R2 and R3 independently represent hydrogen atom or a C1-C5 alkyl group, or R2 and R3 may combine to represent a C2-C7 alkylene group; R4 and R5 independently represent hydrogen atom or a C1-C5 alkyl group; and R6 represents hydrogen atom, a C1-C5 alkyl group which may optionally be substituted with a hydroxyl group, hydroxyl group or a C1-C5 alkoxy group, or a salt thereof, or a solvate thereof or a hydrate thereof. The compounds have antibacterial activity against Helicobacter pylori.
以下是通式(I)所代表的化合物:其中R1代表C3-C8环烷基,可选取代的C6-C14芳基,可选取代的杂环残基,可选取代的C6-C14芳氧基或可选取代的C7-C15芳基甲基基团;R2和R3独立地代表氢原子或C1-C5烷基,或R2和R3可以结合成C2-C7烷基烷基团;R4和R5独立地代表氢原子或C1-C5烷基;而R6代表氢原子、C1-C5烷基,该烷基可以选择性地被羟基基团取代,羟基或C1-C5烷氧基,或其盐、溶剂化合物或水合物。这些化合物对幽门螺杆菌具有抗菌活性。