CA Patent

CA1330094C — Intermediates for preparation of cephalosporin derivatives with improved pharmacokinetics

Assigned to Sanofi SA · Expires 1994-06-07 · 32y expired

What this patent protects

ABSTRACT OF THE DISCLOSURE Novel compounds have the formula: in which the two groups B' are different, one of them representing a group OH and the other representing a group X-NH-Alk-SO2-NH-, in which X represents hydrogen or a protecting group for th…

USPTO Abstract

ABSTRACT OF THE DISCLOSURE Novel compounds have the formula: in which the two groups B' are different, one of them representing a group OH and the other representing a group X-NH-Alk-SO2-NH-, in which X represents hydrogen or a protecting group for the amine group and Alk represents a C2 to C4 lower alkylene group. The compounds are useful as intermediates for the preparation of cephalosporin derivatives having improved pharmacokinetics.

Drugs covered by this patent

Patent Metadata

Patent number
CA1330094C
Jurisdiction
CA
Classification
—
Expires
1994-06-07
Drug substance claim
No
Drug product claim
No
Assignee
Sanofi SA
Source
FDA Orange Book + USPTO grounding via Google Patents

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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