Tricyclic carbapenem compounds

U.S. Patent Number: 5393751

Abstract: A compound of the formula ##STR1## wherein R.sup.1 is a hydrogen atom or a hydrocarbon group which may be substituted; COOR.sup.2 represents a carboxy group which may be esterified; and ring B is a cyclic group which may be substituted or a pharmaceutically acceptable salt thereof are useful as an antibacterial agent.

Inventors: Sendai; Michiyuki (Suita, JP), Miwa; Tetsuo (Kobe, JP)

Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)

Application Number: 07/595,287

Issued: 1995-02-28

Expired: 2007-02-28

Classes: 514/210.03 ; 540/302

Field of search: 540/302 514/210

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