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CAS 121-71-1

3-Hydroxyacetophenone1-(3-hydroxyphenyl)ethan-1-one1-(3-Hydroxyphenyl)ethanone

Codes: Phenylephrine Hydrochloride-034, RIVAT-009, (I)145089-1-a, (I)145089-2-a, (I)145089-4-a, (I)145089-5-a, (I)145089-6-a, (I)145089-11-a, (I)145089-17-a, (I)145089-20-a, (VI)145089-21-b

Application context (from source-drug indications)

Common coldIbuprofen/Phenylephrine HydrochlorideFeverIbuprofen/Phenylephrine HydrochlorideHeadacheIbuprofen/Phenylephrine HydrochlorideMydriasisPhenylephrine HydrochlorideHypotensionPhenylephrine HydrochlorideCycloplegiaPhenylephrine HydrochlorideSupraventricular tachycardiaPhenylephrine HydrochlorideShockPhenylephrine HydrochlorideIschaemic strokePhenylephrine HydrochlorideAlzheimer'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)

DrugTierExpiry
Ibuprofen/Phenylephrine HydrochlorideTier C — Watch / trade-
Phenylephrine HydrochlorideTier C — Watch / trade-
Rivastigmine TartrateTier 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.

Rivastigmine TartrateOptimised routesteps: 4total yield: 7.43 g
ethyl(methyl)carbamic chloride→1-(3-hydroxyphenyl)ethan-1-one→3-acetylphenyl ethyl(methyl)carbamate→(S)-3-(1-hydroxyethyl)phenyl ethyl(methyl)carbamate→(R)-3-(1-bromoethyl)phenyl ethyl(methyl)carbamate
Rivastigmine TartrateOptimised routesteps: 4total yield: /
1-(3-Hydroxyphenyl)ethanone→Aminomethane→3-[(1E)-N-Methylethanimidoyl]phenol→3-[1-(Methylamino)ethyl]phenol→3-[1(S)-(Methylamino)ethyl]phenol→(-)-3-((1S)-1-(Dimethylamino)ethyl)phenol

Intermediates available on this site

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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.