Abstract: The invention discloses a positive electrode active material for a magnesium secondary battery or lithium ion secondary battery, including: a particle including a nucleus and a crystal of vanadium oxide grown from the nucleus as a starting point and having a maximum length of 5 ?m or less in the major axis direction.

Abstract: This invention provides a therapeutic agent for hepatitis C comprising, as an active ingredient, a compound having anti-HCV activity useful in treatment of hepatitis C. The therapeutic agent for hepatitis C comprises, as an active ingredient, a compound represented by formula (I) or a pharmaceutically acceptable salt thereof.

Abstract: There is provided a novel compound that inhibits phosphatidylinositol 3-kinase (PI3K) and/or the mammalian target of rapamycin (mTOR) and exhibits anti-tumor activity. The present invention provides a compound represented by the following formula (1) having various substituents that inhibits PI3K and/or mTOR and exhibits anti-tumor activity: wherein R1, R2, R3, R4, Ra, Rb, Rc, and X each have the same meaning as defined in the specification.

Abstract: There is provided a novel compound that inhibits phosphatidylinositol 3-kinase (PI3K) and/or the mammalian target of rapamycin (mTOR) and exhibits anti-tumor activity. The present invention provides a compound represented by the following formula (1) having various substituents that inhibits PI3K and/or mTOR and exhibits anti-tumor activity: wherein R1, R2, R3, R4, Ra, Rb, Rc, and X each have the same meaning as defined in the specification.

Abstract: There is provided a novel compound that inhibits phosphatidylinositol 3-kinase (PI3K) and/or the mammalian target of rapamycin (mTOR) and exhibits anti-tumor activity. The present invention provides a compound represented by the following formula (1) having various substituents that inhibits PI3K and/or mTOR and exhibits anti-tumor activity: wherein R1, R2, R3, R4, Ra, Rb, Rc, and X each have the same meaning as defined in the specification.

Abstract: There is provided a novel compound that inhibits phosphatidylinositol 3-kinase (PI3K) and/or the mammalian target of rapamycin (mTOR) and exhibits anti-tumor activity. The present invention provides a compound represented by the following formula (1) having various substituents that inhibits PI3K and/or mTOR and exhibits anti-tumor activity: wherein R1, R2, R3, R4, Ra, Rb, Rc, and X each have the same meaning as defined in the specification.

Abstract: The present invention relates to tricyclic compounds each represented by the following formula (I): (wherein, R1, R2, R2?, R3, R4, X, Y and Z have the same meanings as defined in the specification); and a drug containing the compound. Since the compounds according to the present invention exhibit an excellent squalene synthetase inhibitory effect and cholesterol synthesis inhibitory effect so that they are useful as a drug such as preventive and/or remedy for diseases in mammals including humans such as hyperlipemia, e.g., hypercholesterolemia, hypertriglyceridemia, and low HDL cholesterolemia and/or arteriosclerosis.

Abstract: Substituted cyclobutylamine derivativesb with a novel structure represented by the following formula (I), wherein R1 to R4 and Q each represents a specific substituent and, in particular, Q represents a quinolone derivative having a specific structure. These derivatives are useful as antibacterial compounds which have excellent antibacterial activity against a wide scope of bacteria including Gram-negative and Gram-positive bacteria, exert potent antibacterial activity particularly against methicillin-resistant Staphylococcus aureus (MRSA) strains, penicillin-resistant pneumococcus strains and quinolone-resistant bacteria, and are also possessed of both excellent pharmacokinetics and high safety.

Abstract: Antimicrobial agents being excellent in antimicrobial activity and safety.

Abstract: An antimicrobial drug having excellent antimicrobial activity and high safety is disclosed, which comprises as an active ingredient, a quinolone derivative having a substituted aminocycloalkylpyrrolidine as a substituent and which is further substituted with various substituents, represented by formula (I), its salts and hydrates thereof: wherein Q is represented by formula (II) or (IV).

Abstract: An antimicrobial drug having excellent antimicrobial activity and high safety is disclosed, which comprises as an active ingredient, a quinolone-derivative having a substituted aminocycloalkylpyrrolidine as a substituent and which is further substituted with various substituents, represented by formula (I), its salts and hydrates thereof: ##STR1## wherein Q is represented by formula (II) or (IV). ##STR2## Also disclosed is a quinolone derivative where R.sup.

Abstract: Electrophotographic toners comprising a resin, a colorant, a charge controlling agent and an offset preventing agent. The resin comprises a copolymer containing at least one of phenyl isopropenyl ketone and its derivatives as a constituting monomer. The copolymer is photodegradable and thus the toners can be are used for recycling paper.

Abstract: Carbapenem derivatives which may be utilized as antibiotics and which show strong antibacterial activity against various bacterial strains including Pseudomonas aeruginosa. The compounds containing the derivatives are quite safe and are also stable against hydrolases such as dehyropeptidase (DHP).