Abstract: Provided is a novel compound that has an excellent ?-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent ?-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a ?-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and ?-lactam drugs.

Abstract: Provided is a novel compound that has an excellent ?-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent ?-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a ?-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and ?-lactam drugs.

Abstract: Provided is a novel compound that has an excellent ?-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent ?-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a ?-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and ?-lactam drugs.

Abstract: Provided is a novel compound that has an excellent ?-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent ?-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a ?-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and ?-lactam drugs.

Abstract: The present invention relates to a method for the synthesis of cyclic depsipeptides, in particular emodepside, from the open form.

Abstract: The present invention relates to new macrolide derivatives, in particular new tylosin derivatives of the formula (IIa), a pharmaceutical or veterinary composition comprising the derivatives; a method for preparation thereof; a method for treating and/or preventing bacterial infections in an animal, wherein the method comprises administering the derivatives or the composition; and a use of the derivatives for the manufacture of medicaments for treating and/or preventing bacterial infections in an animal.

Abstract: An objective of the present invention is to provide novel cyclic depsipeptide derivatives and harmful organism control agents including the same as each other. Specifically, the present invention provides compounds represented by formula (1) or stereoisomers thereof, harmful organism control agents containing them, and a process for producing them.

Abstract: The present invention relates to new macrolide derivatives, in particular new tylosin derivatives of the formula (IIa), a pharmaceutical or veterinary composition comprising the derivatives; a method for preparation thereof; a method for treating and/or preventing bacterial infections in an animal, wherein the method comprises administering the derivatives or the composition; and a use of the derivatives for the manufacture of medicaments for treating and/or preventing bacterial infections in an animal.

Abstract: The present invention to provide a novel pyruvate dehydrogenase kinase inhibitors. A pyruvate dehydrogenase kinase inhibitor comprising a compound represented by the general formula (I) as an active ingredient (wherein, ring A represents a 6-membered aromatic hydrocarbon ring optionally substituted with 2-4 substituents, R1 and R4, which are the same or different, represent a hydrogen atom, a hydroxyl group, an optionally substituted C1-6 alkyl group, R2 and R3, which are the same or different, represent a hydrogen atom, a carboxyl group, an optionally substituted C1-6 alkyl group, an optionally substituted C6-10 aryl group, or a group represented by —C (?R9)—R10), a pharmaceutical composition for treatment or prophylaxis of diseases or disorders that pyruvate dehydrogenase kinase relates to its development or aggravation, and a cosmetic composition, and the like.

Abstract: An objective of the present invention is to provide novel cyclic depsipeptide derivatives and harmful organism control agents including the same as each other. Specifically, the present invention provides compounds represented by formula (1) or stereoisomers thereof, harmful organism control agents containing them, and a process for producing them.

Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:

Abstract: The present invention provides a composition for use as a harmful organism control agent comprising as an active ingredient one or more of compounds represented by formula (I) or salts thereof and an agriculturally or zootechnically acceptable carrier. wherein Het represents pyridyl; X represents an oxygen atom; R1, R2, R3, R7, R10a, R10b, R11, and R12 represent a hydrogen atom; R4, R5, and R6 represent a hydrogen atom, hydroxyl, optionally substituted C1-18 alkylcarbonyloxy, optionally substituted C1-18 alkylsulfonyloxy, optionally substituted arylcarbonyloxy, C1-6 alkyloxy-C1-6 alkyloxy, C1-6 alkyloxy-C1-6 alkyloxy-C1-6 alkyloxy; R8 represents a hydrogen atom; and R13a, R13b, and R13c represent methyl.

Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:

Abstract: Disclosed is a compound usable as a pest control agent and has excellent pest control activity. A compound represented by formula (I) has excellent pest control activity. The compound or an agriculturally or horticulturally acceptable salt thereof is thus useful as a pest control agent.

Abstract: A compound represented by the formula [I] wherein each symbol is as defined in the specification or a pharmacologically acceptable salt thereof, and a pharmaceutical composition containing the compound as an active ingredient.

Abstract: Disclosed is a compound usable as a pest control agent and has excellent pest control activity. A compound represented by formula (I) has excellent pest control activity. The compound or an agriculturally or horticulturally acceptable salt thereof is thus useful as a pest control agent.

Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:

Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:

Abstract: The present invention provides an adjuvant that is a hydroxy unsaturated fatty acid or a derivative thereof, as well as a vaccine preparation containing the adjuvant as a constituent.

Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier: