CA Patent

CA2455768C — Antitumoral analogs of et-736

Assigned to Pharmamar SA · Expires 2011-10-11 · 15y expired

What this patent protects

Derivatives of ecteinascidin 736 of general formula (I) wherein the groups R1, R2, R3, R4 and R5 are each independently selected from the group consisting of H, OH, OR', SH, SR', SOR', SO2R', C(=O)R', C(=O)OR', NO2, NH2, NHR', N(R')2, NHC(O)R', CN, halogen, =O, substituted or uns…

USPTO Abstract

Derivatives of ecteinascidin 736 of general formula (I) wherein the groups R1, R2, R3, R4 and R5 are each independently selected from the group consisting of H, OH, OR', SH, SR', SOR', SO2R', C(=O)R', C(=O)OR', NO2, NH2, NHR', N(R')2, NHC(O)R', CN, halogen, =O, substituted or unsubstituted C1-C25 alkyl, substituted or unsubstituted C2-C18 alkenyl, substituted or unsubstituted C2-C18 alkynyl, substituted or unsubstituted arly, substituted or unsubstituted heterocyclic; wherein X is independently selected of OR', CN, (=O), or H; wherein each of the R' groups is independently selected from the group consisting of H, OH, NO2, NH2, SH, CN, halogen, =O, C(=O)H, C(=O)CH3, CO2H, substituted or unsubstituted C1-C25 alkyl, substituted or unsubstituted C2-C18 alkenyl, substituted or unsubstituted C2-C18 alkynyl, substituted or unsubstituted aryl; wherein m is 0, 1 or 2; and wherein n is 0, 1, 2, 3, or 4, and their use as antitumoral agent.

Drugs covered by this patent

Patent Metadata

Patent number
CA2455768C
Jurisdiction
CA
Classification
Expires
2011-10-11
Drug substance claim
No
Drug product claim
No
Assignee
Pharmamar 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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