CAS 78920-10-2

5-hydroxy-4-propylfuran-2(5H)-one

Codes：BRIV-004

Application context (from source-drug indications)

癫痫部分性发作布瓦西坦癫痫布瓦西坦癫痫发作布瓦西坦

Source drugs (routes using this intermediate)

Drug	Tier	Expiry
布瓦西坦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.

布瓦西坦原研路线steps: 4total yield: 7.2 g

pentanal→2-oxoacetic acid→morpholine hydrochloride→5-hydroxy-4-propylfuran-2(5H)-one→(S)-2-aminobutanamide→(S)-2-(2-oxo-4-propyl-2,5-dihydro-1H-pyrrol-1-yl)butanamide→(S)-2-((S)-2-oxo-4-propylpyrrolidin-1-yl)butanamide→(S)-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
Unibest Taizhou GMP-like Site	Brivaracetam Pharmaceutical Intermediates	询价	询价	询价	—
Qualified Partner — East China API Works	(+)-(R)-4-propyl-4,5-dihydrofuran-2(3H)-one Pharmaceutical Intermediates	询价	询价	询价	—

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