US7763615 — Ecteinascidin analogs for use as antitumour agents

USPTO Abstract

Derivatives of ecteinascidin 736 of general formula (I) wherein the groups R 1 , R 2 , R 3 , R 4 and R 5 are each independently selected from the group consisting of H, OH, OR′, SH, SR′, SOR′, SO 2 R′, C(═O)R′, C(═O)OR′, NO 2 , NH 2 , NHR′, N(R′) 2 , NHC(O)R′, CN, halogen, ═O, substituted or unsubstituted C 1 -C 25 alkyl, substituted or unsubstituted C 2 -C 18 alkenyl, substituted or unsubstituted C 2 -C 18 alkynyl, substituted or unsubstituted aryl, 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, NO 2 , NH 2 , SH, CN, halogen, ═O, C(═O)H, C(═O)CH 3 , CO 2 H, substituted or unsubstituted C 1 -C 25 alkyl, substituted or unsubstituted C 2 -C 18 alkenyl, substituted or unsubstituted C 2 -C 18 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.