← Back to patent-cliff list
CAS 214403-86-8
(1H-imidazol-1-yl)phosphonic (((2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphoric) anhydride
Codes: DIQU-004
Application context (from source-drug indications)
Dry eye diseaseDiquafosol TetrasodiumDry eye syndromeDiquafosol TetrasodiumKeratoconjunctivitis siccaDiquafosol Tetrasodium
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Diquafosol Tetrasodium | 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.
((2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl hydrogen diphosphate→1H-imidazole→(1H-imidazol-1-yl)phosphonic (((2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl phosphoric) anhydride
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.