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CAS 1428243-28-0
8-((3R,4S)-4-ethylpyrrolidin-3-yl)-3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine
Codes: ABT-494-002
Application context (from source-drug indications)
Alopecia areataUpadacitinibGiant cell arteritisUpadacitinibAnkylosing spondylitisUpadacitinibSpondyloarthritisUpadacitinibCrohn's diseaseUpadacitinibNon-radiographic axial spondyloarthritisUpadacitinib
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Upadacitinib | Tier B — Position early | 2033 |
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.
benzyl (3S,4R)-3-ethyl-4-(3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)pyrrolidine-1-carboxylate→8-((3R,4S)-4-ethylpyrrolidin-3-yl)-3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine→2,2,2-trifluoroethan-1-amine→(3S,4R)-3-ethyl-4-(3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)-N-(2,2,2-trifluoroethyl)pyrrolidine-1-carboxamide
Intermediates available on this site
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| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Qualified Partner — East China API Works | 8-((3R,4S)-4-ethylpyrrolidin-3-yl)-3-tosyl-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine Pharmaceutical Intermediates | On request | On request | On request | — |
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