CAS 539-74-2

Ethyl 3-bromopropanoate

Codes：Sodium ilaprazole-018

Application context (from source-drug indications)

消化性溃疡艾普拉唑钠消化性溃疡出血艾普拉唑钠十二指肠溃疡艾普拉唑钠胃溃疡艾普拉唑钠消化性食管炎艾普拉唑钠

Source drugs (routes using this intermediate)

Drug	Tier	Expiry
艾普拉唑钠Sodium ilaprazole	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.

艾普拉唑钠优化路线steps: 4total yield: 3.0g (Sodium ilaprazole)

2-Propenoic acid ethyl ester→Ethyl 3-bromopropanoate→Ethyl 3-[[5-(1H-pyrrol-1-yl)-1H-benzimidazol-2-yl]sulfanyl]propanoate→Ethyl 3-[5-(1H-pyrrol-1-yl)-1H-benzimidazole-2-sulfinyl]propanoate→2-(Bromomethyl)-4-methoxy-3-methylpyridine→5-(1H-Pyrrol-1-yl)-1H-benzimidazole-2-thiol

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.