← Back to patent-cliff list
CAS 39903-01-0
2-amino-5-bromopyridin-3-ol
Codes：CRIT-026
Application context (from source-drug indications)
原发性皮肤间变性大细胞淋巴瘤克唑替尼间变大细胞淋巴瘤克唑替尼非小细胞肺癌克唑替尼神经鞘瘤克唑替尼神经纤维瘤病II型克唑替尼多发性骨髓瘤克唑替尼
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 克唑替尼Crizotinib | 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.
(S)-1-(2,6-dichloro-3-fluorophenyl)ethan-1-ol→tert-butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)piperidine-1-carboxylate→2-amino-5-bromopyridin-3-ol→tert-butyl (5-bromo-3-hydroxypyridin-2-yl)carbamate→tert-butyl (R)-(5-bromo-3-(1-(2,6-dichloro-3-fluorophenyl)ethoxy)pyridin-2-yl)carbamate→tert-butyl (R)-4-(4-(6-((tert-butoxycarbonyl)amino)-5-(1-(2,6-dichloro-3-fluorophenyl)ethoxy)pyridin-3-yl)-1H-pyrazol-1-yl)piperidine-1-carboxylate
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications |
|---|---|---|---|---|---|
| Unibest Taizhou GMP-like Site | 2-amino-5-bromopyridin-3-ol Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
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.