← Back to patent-cliff list
CAS 93-55-0
Ethyl phenyl ketonePropiophenone1-Phenyl-1-propanone
Codes: Ephedrine Sulfate-021, (I)145089-25-a
Application context (from source-drug indications)
HypotensionEphedrine SulfateAlzheimer's diseaseRivastigmine TartrateDementiaRivastigmine TartrateParkinson's diseaseRivastigmine Tartrate抗胆碱能综合征Rivastigmine Tartrate神经行为学表现Rivastigmine TartrateCognitive impairmentRivastigmine Tartrate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Ephedrine Sulfate | Tier C — Watch / trade | - |
| Rivastigmine Tartrate | Tier B — Position early | - |
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.
Ethyl phenyl ketone→1-Phenylpropane-1,2-dione 2-oxime→(1R,2E)-2-(Hydroxyimino)-1-phenylpropan-1-ol→(1R)-1-Hydroxy-1-phenylpropan-2-one→Methylamine→(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol→Benzaldehyde→2-Oxopropionic acid
Propiophenone→Dimethyl (2S,3S)-2,3-dihydroxysuccinate→Dimethyl (4S,5S)-2-ethyl-2-phenyl-1,3-dioxolane-4,5-dicarboxylate→Dimethyl (4S,5S)-2-[(1R)-1-bromoethyl]-2-phenyl-1,3-dioxolane-4,5-dicarboxylate→Methylamine→Dimethyl (4S,5S)-2-[(1S)-1-(methylamino)ethyl]-2-phenyl-1,3-dioxolane-4,5-dicarboxylate→(2S)-2-(Methylamino)-1-phenylpropan-1-one
1-Phenyl-1-propanone→Amino alcohol hydrochloride→N-[1-Phenylpropylidene]hydroxylamine→N-[1-Phenylprop-1-en-1-yl]acetamide→N-[(1R)-1-Phenylpropyl]acetamide→(R)-(+)-alpha-Ethylbenzylamine
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.