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CAS 3612-20-2
1-benzylpiperidin-4-one1-(Phenylmethyl)-4-piperidinone1-Benzylpiperidin-4-one
Codes: DONE-014, (I)663167-2-a, (I)909096-1-a, Dalpiciclib Isethionate-001, (XIXa)965082-1-c
Application context (from source-drug indications)
Alzheimer's diseaseMemantine Hydrochloride/Donepezil HydrochlorideLewy body dementiaDonepezil HydrochlorideAlzheimer's diseaseDonepezil HydrochlorideDementiaDonepezil HydrochlorideMemory impairmentDonepezil HydrochlorideMild cognitive impairmentDonepezil HydrochlorideOsteoporosisDonepezil HydrochlorideBiliary tract cancerTasurgratinibBile duct cancerTasurgratinibSolid tumourTasurgratinibCholangiocarcinomaTasurgratinibBreast cancerTasurgratinibHepatic function declineTasurgratinibNon-small cell lung cancerIruplinalkibBreast cancerDalpiciclib IsethionateMetastatic breast cancerDalpiciclib IsethionateProstate cancerDalpiciclib Isethionate三阴性乳腺癌Dalpiciclib IsethionateMeningiomaDalpiciclib IsethionateHepatic function declineDalpiciclib IsethionateMarginal zone B-cell lymphomaOrelabrutinibMantle cell lymphomaOrelabrutinibChronic lymphocytic leukaemiaOrelabrutinibImmune thrombocytopenic purpuraOrelabrutinibSystemic lupus erythematosusOrelabrutinibMultiple sclerosisOrelabrutinib
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Memantine Hydrochloride/Donepezil Hydrochloride | Tier C — Watch / trade | - |
| Donepezil Hydrochloride | Tier B — Position early | - |
| Tasurgratinib | Tier C — Watch / trade | - |
| Iruplinalkib | Tier C — Watch / trade | - |
| Dalpiciclib Isethionate | Tier C — Watch / trade | - |
| Orelabrutinib | 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.
1-benzylpiperidine-4-carbaldehyde→5,6-dimethoxy-2,3-dihydro-1H-inden-1-one→(E)-2-((1-benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one→1-benzylpiperidin-4-one→ethyl 2-chloroacetate→ethyl 6-benzyl-1-oxa-6-azaspiro[2.5]octane-2-carboxylate→sodium 6-benzyl-1-oxa-6-azaspiro[2.5]octane-2-carboxylate
1-benzylpiperidine-4-carbaldehyde→5,6-dimethoxy-2,3-dihydro-1H-inden-1-one→(E)-2-((1-benzylpiperidin-4-yl)methylene)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one→1-benzylpiperidin-4-one→ethyl 2-chloroacetate→ethyl 6-benzyl-1-oxa-6-azaspiro[2.5]octane-2-carboxylate→sodium 6-benzyl-1-oxa-6-azaspiro[2.5]octane-2-carboxylate
1-(Phenylmethyl)-4-piperidinone→Bromo(phenyl)magnesium→1-Benzyl-4-phenylpiperidin-4-ol→1-Benzyl-4-phenyl-1,2,3,6-tetrahydropyridine→4-Phenylpiperidine
1-(Phenylmethyl)-4-piperidinone→3-Ethoxy-3-oxopropanenitrile→2,4-Dioxo-9-(phenylmethyl)-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile→1'-Benzylspiro[3,7-diazabicyclo[3.3.1]nonane-9,4'-piperidine]-2,4,6,8-tetrone→9-(Phenylmethyl)-3,9-diazaspiro[5.5]undecane-2,4-dione→3-Benzyl-3,9-diazaspiro[5.5]undecane→3-Boc-3,9-diazaspiro[5.5]undecane→4-Fluoro-2-methoxy-1-nitrobenzene→tert-Butyl 9-(3-methoxy-4-nitrophenyl)-3,9-diazaspiro[5.5]undecane-3-carboxylate→tert-Butyl 9-(4-amino-3-methoxyphenyl)-3,9-diazaspiro[5.5]undecane-3-carboxylate→(2-((2,5-Dichloropyrimidin-4-yl)amino)phenyl)dimethylphosphine oxide→5-Chloro-N2-[4-(3,9-diazaspiro[5.5]undecan-3-yl)-2-methoxyphenyl]-N4-[2-(dimethylphosphoryl)phenyl]pyrimidine-2,4-diamine→Formaldehyde
1-Benzylpiperidin-4-one→4-Methylbenzenesulfonhydrazide→N'-(1-Benzylpiperidin-4-ylidene)-4-methylbenzene-1-sulfonohydrazide→5-Bromo-2-(2,5-dimethyl-1H-pyrrol-1-yl)pyridine→1'-Benzyl-6-(2,5-dimethyl-1H-pyrrol-1-yl)-1',2',3',6'-tetrahydro-3,4'-bipyridine→1'-Benzyl-1',2',3',6'-tetrahydro[3,4'-bipyridin]-6-amine→5-(Piperidin-4-yl)pyridin-2-amine→tert-Butyl 4-(6-aminopyridin-3-yl)piperidine-1-carboxylate→6-Bromo-2-chloro-8-cyclopentyl-5-methylpyrido[2,3-d]pyrimidin-7-one→tert-Butyl 4-[6-[(6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino]pyridin-3-yl]piperidine-1-carboxylate
2-(4-Phenoxyphenyl)-6-(piperidin-4-yl)pyridine-3-carboxamide→3-Nitropropanal→3-Oxo-3-(4-phenoxyphenyl)propanamide→1-Benzylpiperidin-4-one→1-[(4-Methoxyphenyl)methyl]piperidin-4-one→Acrylaldehyde→1,1-Dimethoxy-3-nitropropane→1,1-Diethoxy-3-nitropropane→1-Benzyl-4-(3,3-dimethoxy-1-nitropropyl)piperidin-4-ol→1-Benzyl-4-(3,3-diethoxy-1-nitropropyl)piperidin-4-ol→4-(3,3-Diethoxy-1-nitropropyl)-1-[(4-methoxyphenyl)methyl]piperidin-4-ol→(2Z)-5-(1-Benzyl-4-hydroxypiperidin-4-yl)-5-nitro-2-(4-phenoxybenzoyl)pent-2-enamide→(2Z)-5-[4-Hydroxy-1-[(4-methoxyphenyl)methyl]piperidin-4-yl]-5-nitro-2-(4-phenoxybenzoyl)pent-2-enamide
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