← Back to patent-cliff list
CAS 126579-20-2
4-Nitrobenzyl (5R,6S)-6-[(1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate
Codes：Imipenem-059
Application context (from source-drug indications)
细菌性肺炎亚胺西瑞医院获得性肺炎亚胺西瑞传染性疾病亚胺西瑞菌血症亚胺西瑞呼吸机相关性肺炎亚胺西瑞医疗保健相关性肺炎亚胺西瑞
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 亚胺西瑞Cilastatin Sodium/Imipenem/Relebactam | Tier 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.
4-Nitrobenzyl (5R,6S)-6-[(1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl]-3,7-dioxo-1-azabicyclo[3.2.0]heptane-2-carboxylate→4-Nitrobenzyl (5R,6S)-6-[(1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl]-3-([2-[(iminomethyl)amino]ethyl]sulfanyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate hydrogen chloride→4-Nitrobenzyl (5R,6S)-6-[(1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl]-3-[(diphenoxyphosphoryl)oxy]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate→2-Mercaptoethylamine hydrochloride→4-Nitrobenzyl (5R,6S)-3-[(2-aminoethyl)sulfanyl]-6-[(1R)-1-[[tert-butyl(dimethyl)silyl]oxy]ethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate hydrogen chloride→2(R)-Acetoxy-3(R)-[O-TBDMS-1(R)-hydroxyethyl]-4-azetidinone→(4-Nitrophenyl)methyl 2-diazo-3-[(trimethylsilyl)oxy]but-3-enoate→4-[3(S)-[1(R)-[tert-Butyl(dimethyl)silyloxy]ethyl]-4-oxoazetidin-2(R)-yl]-2-diazo-3-oxobutyric acid 4-nitrobenzyl ester→Benzyl imidoformate hydrogen chloride
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.