CN101790532B — 5-氟-1H-吡唑并[3,4-b]吡啶-3-胺及其衍生物的制备方法
Assigned to Vertex Pharmaceuticals Inc · Expires 2013-11-20 · 12y expired
What this patent protects
本发明涉及高收率和纯度的5-氟-1H-吡唑并[3,4-b]吡啶-3-胺的合成方法。本发明还涉及5-氟-1H-吡唑并[3,4-b]吡啶-3-胺衍生物的合成方法。这些方法用于制备生物活性化合物,特别是一些GSK-3抑制剂或其衍生物。试剂和条件:i.Pd(OAc) 2 ,PPh 3 ,Et 3 N,H 2 CO 2 ;ii.1)(COCl) 2 ,CH 2 Cl 2 ,催化剂DMF;2)NH 3 (g),二噁烷,iii.TFAA,Et 3 N,CH 2 Cl 2 ,0℃;iv.H 2 NNH 2 ·H 2 O,正丁醇,回流。
USPTO Abstract
本发明涉及高收率和纯度的5-氟-1H-吡唑并[3,4-b]吡啶-3-胺的合成方法。本发明还涉及5-氟-1H-吡唑并[3,4-b]吡啶-3-胺衍生物的合成方法。这些方法用于制备生物活性化合物,特别是一些GSK-3抑制剂或其衍生物。试剂和条件:i.Pd(OAc) 2 ,PPh 3 ,Et 3 N,H 2 CO 2 ;ii.1)(COCl) 2 ,CH 2 Cl 2 ,催化剂DMF;2)NH 3 (g),二噁烷,iii.TFAA,Et 3 N,CH 2 Cl 2 ,0℃;iv.H 2 NNH 2 ·H 2 O,正丁醇,回流。
Drugs covered by this patent
- Gavreto (PRALSETINIB) · Rigel Pharms
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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