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CAS 804519-25-3
4-ethoxy-3-(5-methyl-4-oxo-7-propyl-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-2-yl)benzenesulfonyl chloride
Codes: YONKE-006
Application context (from source-drug indications)
Erectile dysfunctionTunodafil Hydrochloride
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Tunodafil 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.
2-amino-4-methyl-1-propyl-1H-pyrrole-3-carbonitrile→2-ethoxybenzoic acid→N-(3-cyano-4-methyl-1-propyl-1H-pyrrol-2-yl)-2-ethoxybenzamide→2-(2-ethoxybenzamido)-4-methyl-1-propyl-1H-pyrrole-3-carboxamide→2-(2-ethoxyphenyl)-5-methyl-7-propyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one→4-ethoxy-3-(5-methyl-4-oxo-7-propyl-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-2-yl)benzenesulfonyl chloride→1-ethylpiperazine→2-(2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one→2-(2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propyl-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one hydrochloride
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