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CAS 34580-20-6
4-(piperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one
Codes: Norketotifen
Application context (from source-drug indications)
Influenza virus infectionNorketotifenAllergic conjunctivitisNorketotifenAllergic rhinitisNorketotifen
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Norketotifen | 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-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one→4-(piperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one
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