Wakunaga Seiyaku Kabushiki Kaisha

Wakunaga Pharmaceutical Co., Ltd.

Kouji Nishimura

Satoshi Inoue

Masaharu Yokomoto

Terukage Hirata

Nobuya Sakae

Yasuhiro Kuramoto

Tatsuya Hirano

Asuka Sakurai

Tomohiko Kinoshita

Daichi Kazamori

Mai Arai

Ayuka Sasaki

A pyridonecarboxylic acid derivative or a salt thereof is represented by Formula (1), where Ris hydrogen, a halogen atom, a lower alkyl group, or an amino group; Ris &#x2014;NH&#x2014;R, where Ris hydrogen, a lower alkyl group, an amino lower alkyl group, or the like; &#x2014;O&#x2014;R, where Ris hydrogen, a lower alkyl group, or the like; &#x2014;(CH)&#x2014;R, where Ris an amino group or the like, m is 1, 2, 3 or 4; or a cyclic amino group of Formula (2), where Y represents NH or C&#x2014;RR, where Rand Rare each independently hydrogen, a lower alkyl group, an amino group, a lower alkyl amino group, or the like; n and p are 1 or 2; Ris hydrogen, a halogen atom, a lower alkyl group, or the like; Ris hydrogen or a carboxyl group-protecting group; and Ris hydrogen or a hydroxyl group-protecting group. 

Pyridonecarboxylic acid derivative or salt thereof

Process for producing N-biphenylmethylthiadiazoline derivative or salt

Process for producing tetrazolylated biphenylmethane derivatives

Growing community of inventors

Hiroshima, Japan

Kouji Nishimura