Patent Number: 6,251,891

Title: Carbapenem derivatives

Abstract: A compound represented by the general formula ##STR1## wherein R.sup.1 either represents a hydrogen atom or a lower alkyl group, R.sup.2 represents a hydrogen atom, an ester residue, an alkali metal or negative charge, and R.sup.3 and R.sup.4 are the same or different, and each represent a hydrogen atom or a hydrocarbonic group optionally containing hetero atom(s) selected from the group consisting of oxygen atom(s), sulfur atom(s) and nitrogen atom(s), or they are combined together with the nitrogen atom to which they bound to form a heterocyclic group, and the use thereof as an antibacterial agent.

Inventors: Nakagawa; Susumu (Nukata-gun, JP), Otake; Norikazu (Tsukuba, JP), Kiyonaga; Hideo (Tsukuba, JP), Yamada; Koji (Tsukuba, JP), Jona; Hideki (Tsukuba, JP), Okada; Shigemitsu (Okazaki, JP), Ogawa; Masayuki (Osato, JP), Imamura; Hideaki (Tsukuba, JP), Ushijima; Ryosuke (Okazaki, JP)

Assignee: Banyu Pharmaceutical Co., Ltd.

International Classification: C07D 477/20 (20060101); C07D 477/00 (20060101); C07D 477/20 (); C07D 519/06 (); A61K 031/407 (); A61K 031/417 (); A61P 031/04 ()

Expiration Date: 06/26/2018