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CAS 101987-86-4

ethyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoate

Codes:DELAF-007、SITAF-001

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膀胱炎西他沙星鼻窦炎西他沙星扁桃体炎西他沙星肺炎西他沙星宫颈炎西他沙星冠周炎西他沙星

Source drugs (routes using this intermediate)

DrugTierExpiry
德拉沙星DelafloxacinTier C — Watch / trade2029
西他沙星Sitafloxacin HydrateTier C — Watch / trade-

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.

德拉沙星优化路线steps: 6total yield: 3.0 g
3,5-difluoropyridine-2,6-diamine→azetidin-3-ol hydrochloride→ethyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoate→(Z)-ethyl 2-(3-chloro-2,4,5-trifluorobenzoyl)-3-ethoxyacrylate→(Z)-ethyl 3-((6-amino-3,5-difluoropyridin-2-yl)amino)-2-(3-chloro-2,4,5-trifluorobenzoyl)acrylate→ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-8-chloro-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate→ethyl 1-(6-amino-3,5-difluoropyridin-2-yl)-8-chloro-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate→sodium 1-(6-amino-3,5-difluoropyridin-2-yl)-8-chloro-6-fluoro-7-(3-hydroxyazetidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate

Intermediates available on this site

Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.

SupplierProductPrice bandMOQLead timeQualifications
Unibest Nantong cGMP SiteCarbamic acid, (7S)-5-azaspiro[2.4]hept-7-yl-, 1,1-dimethylethyl ester (9CI)
Pharmaceutical Intermediates
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