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CAS 18621-18-6

azetidin-3-ol hydrochloride

Codes: DELAF-005, COBI-001

Application context (from source-drug indications)

Community-acquired bacterial pneumoniaDelafloxacinCommunity-acquired pneumoniaDelafloxacinBacterial skin diseaseDelafloxacinSkin and skin structure infectionDelafloxacinMelanomaCobimetinib Fumarate

Source drugs (routes using this intermediate)

DrugTierExpiry
DelafloxacinTier C — Watch / trade2029
Cobimetinib FumarateTier C — Watch / trade2029

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.

DelafloxacinOriginator routesteps: 4total yield: 73 kg
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
DelafloxacinOptimised routesteps: 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

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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.