Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-08-15
2006-08-15
Berch, Mark L. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07091363
ABSTRACT:
A compound of a formula (1) or a salt thereofwherein R1represents a methyl group. The compound is useful for the preparation of carbapenem-type antibacterial agents.
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Fujimoto Katsuhiko
Kasai Takashi
Berch Mark L.
Frishauf Holtz Goodman & Chick P.C.
Sankyo Company Limited
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