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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)
低血压硫酸麻黄碱
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 硫酸麻黄碱Ephedrine Sulfate | 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.
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
Cinnamyl alcohol→(±)-3-(Benzyloxy)-2-bromo-3-phenylpropan-1-ol→(±)-2-[(Benzyloxy)(phenyl)methyl]oxirane→(2R)-2-[(R)-(Benzyloxy)(phenyl)methyl]oxirane→(1R,2R)-1-(Benzyloxy)-1-phenylpropan-2-ol→(1R,2R)-1-(Benzyloxy)-1-phenylpropan-2-yl methanesulfonate→[(1R,2S)-2-Azido-1-(benzyloxy)propyl]benzene→Benzyl [(1R,2S)-1-(benzyloxy)-1-phenylpropan-2-yl]carbamate→Methyl iodide→Benzyl [(1R,2S)-1-(benzyloxy)-1-phenylpropan-2-yl]methylcarbamate→(-)-2(S)-(Methylamino)-1(R)-phenylpropan-1-ol
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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