摘要:
The present invention relates to compounds of formula (I) and a process for producing the same. In formula (I), X represents a halogen atom, and R1 represents group —COR2 wherein R2 represents group OM or C1-12 alkyloxy wherein M represents a hydrogen atom, an alkali metal, an alkaline earth metal, or quaternary ammonium. The use of this compound as a synthetic intermediate can realize the production of carbapenem derivatives having potent antimicrobial activity in an efficient and safe manner at low cost.
摘要:
The present invention relates to a process for preparing compositions of high concentrations of omega-3 fatty acids from krill. Furthermore, the invention relates to a composition comprising high concentrations of omega-3 fatty acids, and a lipid fraction from krill comprising high amounts of the fatty acids with chain length C14 and C 16.
摘要:
An objective of the present invention is to provide compounds of formula (I) or their pharmacologically acceptable salts or solvates wherein A represents aryl while R1 represents a five- or six-membered monocyclic heterocyclic group, or A represents a four- to six-membered monocyclic heterocyclic group while R1 represents aryl or a five- or six-membered monocyclic heterocyclic group; R2 represents a hydrogen atom or C1-6 alkyl; R3 represents C1-6 alkyl or C3-6 cycloalkyl-C1-4 alkyl; R4, R5, and R6 represent a hydrogen atom; R7 represents C1-6 alkyl; and m is 1 to 3. The compounds are novel lincosamide derivatives that have a potent activity against resistant Streptococcus pneumoniae. Further, the compounds are usable as antimicrobial agents and are useful for preventing or treating bacterial infectious diseases.
摘要翻译:本发明的目的是提供式(I)化合物或其药理学上可接受的盐或溶剂化物,其中A表示芳基,而R1表示五元或六元单环杂环基,或A表示四至六元 单环杂环基,而R1代表芳基或五元或六元单环杂环基; R2表示氢原子或C1-6烷基; R 3表示C 1-6烷基或C 3-6环烷基-C 1-4烷基; R4,R5和R6表示氢原子; R 7表示C 1-6烷基; 并且m为1至3.该化合物是对耐药性肺炎链球菌具有有效活性的新型长春花胺衍生物。 此外,该化合物可用作抗微生物剂,并且可用于预防或治疗细菌感染性疾病。
摘要:
The present invention relates to a compound represented by formula (1) or a salt thereof: wherein R represents a group that is easily removable upon hydrolysis in vivo. This compound is usable in the production of prodrug-type carbapenem antibacterial agents for oral administration. The use of this compound in the process of production of the antibacterial agents can realize enhanced production efficiency and reduced production cost.
摘要:
As new compounds are now provided 14-O-(3,4-disubstituted benzoyl)adriamycins which are of low cytotoxicity and exhibit a high activity inhibitory to the reverse transcriptase of human immunodeficiency virus (HIV) and which can inhibit propagation of HIV.