← Back to patent-cliff list
CAS 71989-18-9
(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-5-oxopentanoic acid
Codes: DOLN-001
Application context (from source-drug indications)
脑型疟疾Diazo-oxo-L-norleucine
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Diazo-oxo-L-norleucine | 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.
(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-5-oxopentanoic acid→(S)-5-tert-butyl 1-methyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)pentanedioate→(S)-4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic acid→prop-1-en-2-yl carbonochloridate→(S)-4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-methoxy-5-oxopentanoic (prop-1-en-2-yl carbonic) anhydride→(S)-methyl 2-amino-6-diazo-5-oxohexanoate→Diazo-oxo-L-norleucine
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.