Exatecan Intermediate 2
CAS 182182-31-6
A small intermediate behind a much larger oncology story: from exatecan chemistry to modern ADC payloads.
Exatecan Intermediate 2 is not a drug, but it sits inside an important drug-discovery lineage. This fluorinated tetralone derivative is used to build exatecan-related topoisomerase I inhibitor chemistry. Exatecan itself had a limited therapeutic window as a free cytotoxic agent, yet its scaffold became highly influential when redesigned into DXd/deruxtecan payload technology for antibody-drug conjugates. Sometimes an intermediate matters because of what it helps assemble.
Published:
2026-09-03