← Back to patent-cliff list
CAS 98349-24-7
ethyl 3-oxo-3-(2,4,5-trifluorophenyl)propanoate
Codes：DELAF-002
Application context (from source-drug indications)
社区获得性细菌肺炎德拉沙星社区获得性肺炎德拉沙星细菌性皮肤疾病德拉沙星皮肤和皮肤结构感染德拉沙星
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 德拉沙星Delafloxacin | Tier C — Watch / trade | 2029 |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
2,4,5-trifluorobenzoic acid→ethyl 3-oxo-3-(2,4,5-trifluorophenyl)propanoate→3,5-difluoropyridine-2,6-diamine→(Z)-ethyl 3-((6-amino-3,5-difluoropyridin-2-yl)amino)-2-(2,4,5-trifluorobenzoyl)acrylate→azetidin-3-ol hydrochloride→ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-6-fluoro-7-(3-(isobutyryloxy)azetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.