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CAS 120-92-3
cyclopentanone
Codes: IRBE-026, LPHE-014
Application context (from source-drug indications)
HypertensionAtorvastatin Calcium Hydrate/IrbesartanHyperlipidaemiaAtorvastatin Calcium Hydrate/IrbesartanHypertensionIrbesartan/TrichlormethiazideOesophageal diseaseIrbesartanHypertensionIrbesartanDiabetic nephropathyIrbesartanHypercholesterolaemiaIrbesartanAlbuminuriaIrbesartanType 2 diabetesIrbesartan晕动病L-Phencynonate HydrochlorideCerebral infarctionL-Phencynonate HydrochlorideVertigoL-Phencynonate Hydrochloride
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Atorvastatin Calcium Hydrate/Irbesartan | Tier C — Watch / trade | - |
| Irbesartan/Trichlormethiazide | Tier C — Watch / trade | - |
| Irbesartan | Tier B — Position early | - |
| L-Phencynonate Hydrochloride | 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.
4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile→1-pentanamidocyclopentane-1-carboxylic acid→pentanoyl chloride→cyclopentanone→1-aminocyclopentane-1-carbonitrile→1-aminocyclopentane-1-carboxylic acid hydrochloride→4'-(aminomethyl)-[1,1'-biphenyl]-2-carbonitrile
4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile→1-pentanamidocyclopentane-1-carboxylic acid→pentanoyl chloride→cyclopentanone→1-aminocyclopentane-1-carbonitrile→1-aminocyclopentane-1-carboxylic acid hydrochloride→4'-(aminomethyl)-[1,1'-biphenyl]-2-carbonitrile
4'-((2-butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-[1,1'-biphenyl]-2-carbonitrile→1-pentanamidocyclopentane-1-carboxylic acid→pentanoyl chloride→cyclopentanone→1-aminocyclopentane-1-carbonitrile→1-aminocyclopentane-1-carboxylic acid hydrochloride→4'-(aminomethyl)-[1,1'-biphenyl]-2-carbonitrile
(R)-2-cyclopentyl-2-hydroxy-2-phenylacetic acid→(R)-methyl 2-cyclopentyl-2-hydroxy-2-phenylacetate→(1R,5S,9s)-3-methyl-3-azabicyclo[3.3.1]nonan-9-ol→(R)-2-hydroxy-2-phenylacetic acid→(5R)-2-(tert-butyl)-5-phenyl-1,3-dioxolan-4-one→cyclopentanone→(5S)-2-(tert-butyl)-5-(1-hydroxycyclopentyl)-5-phenyl-1,3-dioxolan-4-one→(5R)-2-(tert-butyl)-5-(cyclopent-1-en-1-yl)-5-phenyl-1,3-dioxolan-4-one→(5R)-2-(tert-butyl)-5-cyclopentyl-5-phenyl-1,3-dioxolan-4-one
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