Abstract: The present invention provides a method for producing a 1-biphenylmethylimidazole compound having superior angiotensin II receptor antagonistic activity, or an intermediate thereof. The present invention provides a method for producing a compound having the formula (5) (R1, Ra: H, an alkyl group) by oxidizing a compound having the formula (1) (Ra: H, an alkyl group) using an oxidizing agent in the presence of a radical initiation reagent, and then reacting with an ammonia-generating reagent and a compound having the formula R1CHO(R1: H, an alkyl group) or a compound having the formula R1C(ORb)3 (R1: H, an alkyl group; Rb: an alkyl group).

Abstract: The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent.

Abstract: The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent.

Abstract: The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent. Specifically, the invention provides a method for producing a compound of formula (2): wherein n is an integer of 2 to 5; R1 is a (substituted) alkyl group or a (substituted) aryl group; and R2 represents a (substituted) alkoxycarbonyl group, a (substituted) aralkyloxycarbonyl group, a (substituted) aliphatic acyl group, or a (substituted) aromatic acyl group).

Abstract: The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent. Specifically, the invention provides a method for producing a compound of formula (2): wherein n is an integer of 2 to 5; R1 is a (substituted) alkyl group or a (substituted) aryl group; and R2 represents a (substituted) alkoxycarbonyl group, a (substituted) aralkyloxycarbonyl group, a (substituted) aliphatic acyl group, or a (substituted) aromatic acyl group).

Abstract: The present invention provides a method for producing a 1-biphenylmethylimidazole compound having superior angiotensin II receptor antagonistic activity, or an intermediate thereof. The present invention provides a method for producing a compound having the formula (5) (R1, Ra: H, an alkyl group) by oxidizing a compound having the formula (1) (Ra: H, an alkyl group) using an oxidizing agent in the presence of a radical initiation reagent, and then reacting with an ammonia-generating reagent and a compound having the formula R1CHO(R1: H, an alkyl group) or a compound having the formula R1C(ORb)3 (R1: H, an alkyl group; Rb: an alkyl group).

Abstract: The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent. The invention provides a method for producing a compound represented by formula (2): (wherein n is an integer of 2 to 5; R1 represents a (substituted) alkyl group or a (substituted) aryl group; and R2 represents a (substituted) alkoxycarbonyl group, a (substituted) aralkyloxycarbonyl group, a (substituted) aliphatic acyl group, or a (substituted) aromatic acyl group), which includes treating a compound represented by formula (1): (wherein n, R1, and R2 are the same as defined above; and R3 represents a hydrogen atom, a (substituted) alkyl group, or a (substituted) aralkyl group) under a hydrogen gas atmosphere in the presence of a metallic catalyst.

Abstract: The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent. The invention provides a method for producing a compound represented by formula (2): (wherein n is an integer of 2 to 5; R1 represents a (substituted) alkyl group or a (substituted) aryl group; and R2 represents a (substituted) alkoxycarbonyl group, a (substituted) aralkyloxycarbonyl group, a (substituted) aliphatic acyl group, or a (substituted) aromatic acyl group), which includes treating a compound represented by formula (1): (wherein n, R1, and R2 are the same as defined above; and R3 represents a hydrogen atom, a (substituted) alkyl group, or a (substituted) aralkyl group) under a hydrogen gas atmosphere in the presence of a metallic catalyst.

Abstract: A method of producing 2-fluorocyclopropane-1-carboxylic acid ester, which comprise by allowing a compound represented by the following formula (1): wherein X represents a chlorine atom, a bromine atom or an iodine atom; and R1 represents an alkyl group having 1 to 8 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, or an aralkyl group composed of an aryl group having 6 to 12 carbon atoms and an alkylene group having 1 to 6 carbon atoms; to react with a reducing agent in the presence of a phase transfer catalyst. According to the production method of the present invention, the reaction time of dehalogenation can be greatly shortened.

Abstract: A process for preparing intermediate compound (VII), compound (VIII) and compound (XIV) which will be raw materials for the synthesis of a synthetic antibactrial compound, via compound (I) or compound (X) and then, compound (II), the compounds each being shown below; and novel compounds useful for the preparation.

Abstract: A method of producing 2-fluorocyclopropane-1-carboxylic acid ester, which comprise by allowing a compound represented by the following formula (1): wherein X represents a chlorine atom, a bromine atom or an iodine atom; and R1 represents an alkyl group having 1 to 8 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, or an aralkyl group composed of an aryl group having 6 to 12 carbon atoms and an alkylene group having 1 to 6 carbon atoms; to react with a reducing agent in the presence of a phase transfer catalyst. According to the production method of the present invention, the reaction time of dehalogenation can be greatly shortened.

Abstract: A process for preparing intermediate compound (VII), compound (VIII) and compound (XIV) which will be raw materials for the synthesis of a synthetic antibactrial compound, via compound (I) or compound (X) and then, compound (II), the compounds each being shown below; and novel compounds useful for the preparation.

Abstract: This invention relates to methods for the efficient production of quinolonecarboxylic acid based synthetic antibacterial agents which are expected for applications such as excellent medicaments and agricultural chemicals and to intermediate compounds to be used therein. According to the present invention, an amine substituent as the 7-position substituent of the quinolonecarboxylic acid derivative can be efficiently introduced.

Abstract: A process for preparing intermediate compound (VII), compound (VIII) and compound (XIV) which will be raw materials for the synthesis of a synthetic antibactrial compound, via compound (I) or compound (X) and then, compound (II), the compounds each being shown below; and novel compounds useful for the preparation.

Abstract: This invention relates to methods for the efficient production of quinolonecarboxylic acid based synthetic antibacterial agents which are expected for applications such as excellent medicaments and agricultural chemicals and to intermediate compounds to be used therein. According to the present invention, an amine substituent as the 7-position substituent of the quinolonecarboxylic acid derivative can be efficiently introduced.

Abstract: Disclosed is an image input device arranged in such a way that a fluorescent X-ray image is imaged by a TV camera, and an image signal thereof is input into a CPU. The image input device is connected to an output of the TV camera, and comprises a difference circuit for determining the difference between two picture signals obtained at a prescribed time interval, an object extracting circuit for extracting an object image in accordance with the results of the difference, a position judging circuit for judging whether or not the object image thus extracted is located within a picture screen, and a camera position controller for controlling the position of the TV camera in accordance with the results of judgement made by the position judging circuit.