← Back to patent-cliff list
CAS 35661-60-0
(((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucine
Codes: SINA-001
Application context (from source-drug indications)
Acute respiratory distress syndromeSinapultideCOVID-19Sinapultide新生儿呼吸窘迫综合征Sinapultide
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Sinapultide | 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.
(((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucine→methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucinate→methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucyl-L-leucinate→methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucyl-L-leucyl-L-leucinate→methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-leucyl-L-leucyl-L-leucyl-L-leucinate→(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)hexanoic acid→methyl N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-(tert-butoxycarbonyl)-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucinate→N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-(tert-butoxycarbonyl)-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucine→methyl N6-(tert-butoxycarbonyl)-N2-N6-(tert-butoxycarbonyl)-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysinate→methyl N6-(tert-butoxycarbonyl)-N2-N6-(tert-butoxycarbonyl)-N2-N6-(tert-butoxycarbonyl)-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysyl-L-leucyl-L-leucyl-L-leucyl-L-leucyl-L-lysinate→SINA-011→SINA-012
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.