← Back to patent-cliff list
CAS 394222-31-2
methyl 2-(4-(4-bromobutanoyl)phenyl)-2-methylpropanoate
Codes: FEXO-023
Application context (from source-drug indications)
Allergic rhinitisFexofenadine HydrochlorideDermatitisFexofenadine HydrochloridePruritusFexofenadine HydrochlorideEczemaFexofenadine HydrochlorideAtopic dermatitisFexofenadine HydrochlorideSeasonal allergic rhinitisFexofenadine Hydrochloride
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Fexofenadine 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.
methanol→ethyl 2-(4-(5-hydroxytetrahydrofuran-2-yl)phenyl)-2-methylpropanoate→methyl 2-(4-(4-hydroxybut-1-yn-1-yl)phenyl)-2-methylpropanoate→methyl 2-(4-(4-bromobutanoyl)phenyl)-2-methylpropanoate→methyl 2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butanoyl)phenyl)-2-methylpropanoate
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.