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CAS 1029716-44-6
1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Codes：RUXO-008
Application context (from source-drug indications)
特应性皮炎磷酸芦可替尼白癜风磷酸芦可替尼移植物抗宿主病磷酸芦可替尼骨髓纤维化磷酸芦可替尼真性红细胞增多症磷酸芦可替尼
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 磷酸芦可替尼Ruxolitinib Phosphate | Tier A — Act now | 2028 |
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-chloro-7H-pyrrolo[2,3-d]pyrimidine→(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate→1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole→(4-(1-(1-ethoxyethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate→(4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate→3-cyclopentylpropiolonitrile→(Z)-(4-(1-(2-cyano-1-cyclopentylvinyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate→(Z)-(4-(1-(3-amino-1-cyclopentyl-3-oxoprop-1-en-1-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate→(R)-(4-(1-(3-amino-1-cyclopentyl-3-oxopropyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate→(R)-(4-(1-(2-cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate
Intermediates available on this site
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| Supplier | Product | Price band | MOQ | Lead time | Qualifications |
|---|---|---|---|---|---|
| Qualified Partner — East China API Works | 1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
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