The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2020
Filed:
Aug. 12, 2019
Fujifilm Corporation, Tokyo, JP;
Motomasa Takahashi, Ashigarakami-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the invention is to provide a novel method for producing an indazole compound, by which an indazole compound can be produced without using a reaction reagent that exhibits strong toxicity, and a novel indazole compound. According to the invention, a method for producing an indazole compound, including obtaining an indazole compound or a salt thereof from a diazonium salt prepared from an aniline compound in the presence of a compound represented by the following General Formula (1), is provided. In the formula, Rrepresents a hydrogen atom or an alkali metal; Rrepresents a hydrogen atom, a hydroxyl group, or the like; and Rrepresents a hydrogen atom, a Calkylcarbonyl group which may have a substituent, or a Carylcarbonyl group which may have a substituent.