CA2504730A1 — Cephem compounds
Assigned to Individual · Expires 2004-05-13 · 22y expired
What this patent protects
The present invention relates to a compound of the formula [I]: wherein R1 i s lower alkyl, hydroxy(lower)alkyl or halo(lower)alkyl, and R2 is hydrogen or amino protecting group, or R1 and R2 are bonded together and form lower alkylene or lower alkenylene; R3 is hydrogen or lower…
USPTO Abstract
The present invention relates to a compound of the formula [I]: wherein R1 i s lower alkyl, hydroxy(lower)alkyl or halo(lower)alkyl, and R2 is hydrogen or amino protecting group, or R1 and R2 are bonded together and form lower alkylene or lower alkenylene; R3 is hydrogen or lower alkyl; R4 is ; R5 is carboxy or protected carboxy; and R6 is amino or protected amino, or a pharmaceutically acceptable salt thereof, a process for preparing a compound of the formula [I], and a pharmaceutical composition comprising a compound o f the formula [I] in admixture with a pharmaceutically acceptable carrier.</SD OAB>
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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