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CAS 299-42-3

(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol

Codes: Ephedrine Sulfate-010

Application context (from source-drug indications)

HypotensionEphedrine Sulfate

Source drugs (routes using this intermediate)

DrugTierExpiry
Ephedrine SulfateTier 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.

Ephedrine SulfateOptimised routesteps: 6total yield: /
Benzene→2-Chloropropanoyl chloride→2-Chloro-1-phenylpropan-1-one→alpha-Bromopropiophenone→Methylamine→2-(Methylamino)-1-phenylpropan-1-one→(2R,3R)-2,3-Bis(benzoyloxy)butanedioic acid (2S)-2-(methylamino)-1-phenylpropan-1-one (1/2)→(2R,3R)-2,3-Bis(benzoyloxy)butanedioic acid (1R,2S)-2-(methylamino)-1-phenylpropan-1-ol (1/2)→(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol hydrochloride→(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol
Ephedrine SulfateOptimised routesteps: 5total yield: /
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

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