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CAS 2052297-80-8
(S)-methyl 2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoate
Codes: BRIV-015
Application context (from source-drug indications)
Partial-onset seizureBrivaracetamEpilepsyBrivaracetamSeizureBrivaracetam
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Brivaracetam | Tier C — Watch / trade | 2028 |
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-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanamide→(E)-ethyl hex-2-enoate→ethyl 3-(nitromethyl)hexanoate→4-propylpyrrolidin-2-one→(R)-4-propylpyrrolidin-2-one→methyl 2-bromobutanoate→(R)-methyl 2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoate→(S)-methyl 2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoate→(R)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanamide
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.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Unibest Taizhou GMP-like Site | Brivaracetam Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | (+)-(R)-4-propyl-4,5-dihydrofuran-2(3H)-one Pharmaceutical Intermediates | On request | On request | On request | — |
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.