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CAS 1616760-94-1
2-chloro-N-methyl-N-((3R,4R)-4-methyl-1-tritylpiperidin-3-yl)-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
Codes：TOFA-025
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.
methyl (4-methylpyridin-3-yl)carbamate→4-methylpyridin-3-amine→methyl (4-methylpiperidin-3-yl)carbamate→methyl (4-methyl-1-tritylpiperidin-3-yl)carbamate→N,4-dimethyl-1-tritylpiperidin-3-amine hydrochloride→(3R,4R)-N,4-dimethyl-1-tritylpiperidin-3-amine (2R,3R)-2,3-bis((4-methylbenzoyl)oxy)succinate→(3R,4R)-N,4-dimethyl-1-tritylpiperidin-3-amine→2,4-dichloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine→2-chloro-N-methyl-N-((3R,4R)-4-methyl-1-tritylpiperidin-3-yl)-7-tosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine→2-chloro-N-methyl-N-((3R,4R)-4-methyl-1-tritylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine→2-chloro-N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine→2-cyanoacetic acid
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 Nantong cGMP Site | （3R,4R)-N,4-Dimethyl-1-(phenylmethyl)-3-piperidinamine HCL Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 4-Chloro-7-[(4-methylphenyl)sulfonyl]-7H-pyrrolo[2,3-d]pyrimidine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 1-benzyl-4-methylpiperidin-3-one Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
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