摘要:
A compound represented by the following general formula (I) or a salt thereof: wherein R&agr; represents a C1-C10 alkyl group, a C3-C10 alkenyl group, a C7-C15 aralkyl group, a quinolinylalkyl group, a quinolinylalkenyl group, a C2-C10 alkylcarbonyl group, a C7-C15 aralkylcarbonyl group, a C4-C7 cycloalkylcarbonyl group, benzoyl group, an imidazolylcarbonyl group and the like; R1 represents hydrogen atom, a C1-C10 alkyl group, or a C2-C10 alkylcarbonyl group; and R2 represents hydrogen atom, a C1-C10 alkyl group, or a C2-C10 alkylcarbonyl group, provided that the compound wherein R&agr; represents a C2-C10 alkylcarbonyl group and both of R1 and R2 represent a C1-C10 alkyl group is excluded.
摘要:
A compound represented by the general formula (I) or a salt thereof which has excellent antibacterial activity (R1 represents hydrogen atom or an alkylcarbonyl group, R2 represents hydrogen atom, oxygen atom, hydroxyl group, or an alkylcarbonyloxy group, for example, when R2 is hydrogen atom, R3 represents group (a) (each of R5 and R6 represents hydrogen atom or an alkyl group), R4 represents hydrogen atom or group (c) (each of R8 and R9 represents hydrogen atom or an alkylcarbonyl group), and Me represents methyl group).
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:
A 10a-azalide compound having a 4-membered ring structure crosslinked at the 10a- and 12-positions, which is represented by the formula (I), and is effective on even Haemophilus influenzae, or erythromycin resistant bacteria (e.g., resistant pneunococci and streptococci).
摘要:
Compounds represented by the general formula (1) or pharmaceutically acceptable salts thereof, effective in the prevention and/or treatment of infections with microbes: (1) (a) wherein R1 is hydrogen or straight-chain C1-6 alkylcarbonyl; R2 is hydrogen or C1-6 alkylcarbonyl; R3 is hydrogen, C1-6 alkyl, C1-6 alkylcarbonyl, C1-6 alkenyl, C2-6 alkenylcarbonyl, C2-6 alkynyl, or an Ar—B— group (wherein Ar is aryl or a heterocyclic group; and B is C1-6 alkyl, C1-6 alkylcarbonyl, C2-6 alkenyl, C2-6 alkenylcarbonyl, or C2-6 alkynyl); R5, R6, R7 and R8 are each hydrogen, C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, or an Ar—B′— group (wherein B′ is C1-6 alkyl, C2-6 alkenyl, or C2-6 alkynyl); X is oxygen or —NR4— (wherein R4 is hydrogen, C1-6 alkyl or C1-6 alkyl which may be substituted with Ar); and R4′ is hydrogen or a group represented by the general formula (a) (wherein R3″ and R4″ are each hydrogen or straight-chain or branched C1-6 alkylcarbonyl)
摘要翻译:由通式(1)表示的化合物或其药学上可接受的盐在预防和/或治疗微生物感染方面有效:(1)(a)其中R 1是氢或直链 C 1-6烷基羰基; R 2是氢或C 1-6烷基羰基; R 3是氢,C 1-6烷基,C 1-6 - 烷基羰基,C 1-6 - 烯基 ,C 2-6链烯基羰基,C 2-6炔基或Ar-B基(其中Ar为芳基或杂环基; B为C
摘要:
A compound represented by the following general formula (1) or a pharmaceutically acceptable salt thereof, which is useful for a prophylactic and/or therapeutic treatment of a microbial infectious disease. [R1 is hydrogen atom, or a linear C1-6 alkylcarbonyl group; R2 is hydrogen atom, or a C1-6 alkylcarbonyl group; R3 is hydrogen atom, a C1-6 alkyl group, a C1-6 alkylcarbonyl group, a C1-6 alkenyl group, a C2-6 alkenylcarbonyl group, a C2-6 alkynyl group, or an Ar—B— group (Ar represents an aryl group, or a heterocyclic group, and B is a C1-6 alkyl group, a C1-6 alkylcarbonyl group, a C2-6 alkenyl group, a C2-6 alkenylcarbonyl group, or a C2-6 alkynyl group); R5, R6, R7, and R8 represent hydrogen atom, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, or an Ar—B′— group (B′ is a C1-6 alkyl group, a C2-6 alkenyl group, or a C2-6 alkynyl group); X is oxygen atom, or an —NR4— group (R4 is hydrogen atom, a C1-6 alkyl group, or a C1-6 alkyl group which may be substituted with an Ar group); and R4′ is hydrogen atom, or a group represented by the aforementioned formula (a) (R3″ and R4″ represent hydrogen atom, or a linear or branched C1-6 alkylcarbonyl group)]
摘要翻译:由以下通式(1)表示的化合物或其药学上可接受的盐,其可用于预防和/或治疗微生物感染性疾病。 R 1是氢原子或直链C 1-6烷基羰基; R 2是氢原子或C 1-6烷基羰基; R 3是氢原子,C 1-6烷基,C 1-6烷基羰基,C 1-6烯基,C 2-6烯基羰基,C 2-6炔基或 Ar-B-基(Ar表示芳基或杂环基,B为C1-6烷基,C1-6烷基羰基,C2-6烯基,C2-6链烯基羰基或 C 2-6炔基); R 5,R 6,R 7和R 8表示氢原子,C 1-6烷基 ,C2-6烯基,C2-6炔基或Ar-B'-基(B'是C1-6烷基,C2-6链烯基或C2-6炔基); X是氧原子或-NR 4 - 基团(R 4)是氢原子,C 1-6烷基或可以是C 1-6烷基的C 1-6烷基 被Ar基团取代); 和R 4'是氢原子,或由上述式(a)表示的基团(R 3'和R 4“ 代表氢原子,或直链或支链C 1-6烷基羰基)]
摘要:
[Object]: To provide a compound having a novel structure effective against Hemophilus influenzae and erythromycin resistant bacteria (for example, resistant pneumococci and streptococci) as well as against conventional erythromycin sensitive bacteria.[Solution]: A novel 10a-azalide compound represented by the formula (I), a pharmaceutically acceptable salt thereof or a solvate thereof, or an intermediate for the preparation of the same. The compound of the present invention has superior antibacterial activity against Hemophilus influenzae, erythromycin resistant pneumococci and the like, and therefore, the compound can be used as a therapeutic agent of infectious diseases.
摘要:
A macrolide compound represented by the formula (I) effective against erythromycin resistant bacteria (for example, resistant pneumococci, streptococci and mycoplasmas).
摘要:
[Object]: To provide a compound having a novel structure effective against Hemophilus influenzae and erythromycin resistant bacteria (for example, resistant pneumococci and streptococci) as well as against conventional erythromycin sensitive bacteria.[Solution]: A novel 10a-azalide compound represented by the formula (I), a pharmaceutically acceptable salt thereof or a solvate thereof, or an intermediate for the preparation of the same. The compound of the present invention has superior antibacterial activity against Hemophilus influenzae, erythromycin resistant pneumococci and the like, and therefore, the compound can be used as a therapeutic agent of infectious diseases.
摘要:
A .gamma.-diketone compound represented by the following formula (I) and a pharmaceutically acceptable salt and solvate thereof having platelet aggregation inhibitory activity is disclosed: ##STR1## wherein B is --Z--(CH.sub.2).sub.q COOR.sup.7 and A is the following group (II) or (III): ##STR2##