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CAS 90213-66-4
2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine
Codes：TOFA-014
Application context (from source-drug indications)
强直性脊柱炎枸橼酸托法替布幼年型类风湿性关节炎枸橼酸托法替布溃疡性结肠炎枸橼酸托法替布银屑病关节炎枸橼酸托法替布类风湿关节炎枸橼酸托法替布
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 枸橼酸托法替布Tofacitinib Citrate | Tier B — Position early | 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.
(3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine hemi((2R,3R)-2,3-bis((4-methylbenzoyl)oxy)succinate)→2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine→N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-2-chloro-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine→1-benzyl-N,4-dimethylpiperidin-3-amine→N-methyl-N-(4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine→ethyl 2-cyanoacetate→methyl (4-methylpyridin-3-yl)carbamate→1-benzyl-3-((methoxycarbonyl)amino)-4-methylpyridin-1-ium chloride→methyl (1-benzyl-4-methyl-1,2,5,6-tetrahydropyridin-3-yl)carbamate
Intermediates available on this site
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| Supplier | Product | Price band | MOQ | Lead time | Qualifications |
|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | 2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
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