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CAS 33643-46-8
(S)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one(2S)-2-(2-Chlorophenyl)-2-(methylamino)cyclohexanone
Codes: ESKE-004, (IX)270899-2-a, (XI)270899-4-a
Application context (from source-drug indications)
Major depressive disorderEsketamine HydrochlorideSuicidal ideationEsketamine HydrochlorideDepressive disorderEsketamine HydrochlorideAnaesthesiaEsketamine HydrochlorideTreatment-resistant depressionEsketamine HydrochloridePainEsketamine Hydrochloride
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Esketamine Hydrochloride | Tier B — Position early | 2029 |
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.
2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one→(2R,3R)-2,3-dihydroxysuccinic acid→(S)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one (2R,3R)-2,3-dihydroxysuccinate→(S)-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one
1-Chloro-2-iodobenzene→4-Cyclohexanone→2-(2-Chlorophenyl)cyclohexanone→(E)-Di-tert-butyl azodiformate→Di-tert-butyl 1-[(1S)-1-(2-chlorophenyl)-2-oxocyclohexyl]hydrazine-1,2-dicarboxylate→(-)-2(S)-Amino-2-(2-chlorophenyl)cyclohexanone→(1S)-2'-Chloro-1-isocyanato-6-methoxy-1,2,3,4-tetrahydro-1,1'-biphenyl→Formaldehyde→(2S)-2-(2-Chlorophenyl)-2-(methylamino)cyclohexanone
Iodomethane→Chlorocyclopentane→1-Chloro-2-cyanobenzene→(2-Chlorophenyl)(cyclopentyl)methanone→2-Chlorobenzoyl chloride→Cyclopentene→(1-Bromocyclopentyl)(2-chlorophenyl) ketone→Aminomethane→1-[(E)-(2-Chlorophenyl)(methylimino)methyl]cyclopentan-1-ol hydrogen chloride→(±)-2-(2-Chlorophenyl)-2-(methylamino)cyclohexanone hydrochloride→2-(2-Chlorophenyl)-2-(methylamino)cyclohexan-1-one→(2S)-2-(2-Chlorophenyl)-2-(methylamino)cyclohexanone
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