CN Patent
CN108117550B — 吡啶并[2,3-d]嘧啶类化合物的制备方法
Assigned to China Pharmaceutical Industry Research Institute Co ltd · Expires 2020-08-14 · 6y expired
What this patent protects
本发明公开了一种如式1所示化合物的制备方法,其包含以下步骤,水溶性有机溶剂中,60℃~85℃的温度下,在碱和催化剂的作用下,将化合物2和化合物3进行如下反应,即可;其中,所述催化剂为PdCl 2 ;其中,所述X为Br或I;R为H或C 1 ~C 3 的烷基。
USPTO Abstract
本发明公开了一种如式1所示化合物的制备方法,其包含以下步骤,水溶性有机溶剂中,60℃~85℃的温度下,在碱和催化剂的作用下,将化合物2和化合物3进行如下反应,即可;其中,所述催化剂为PdCl 2 ;其中,所述X为Br或I;R为H或C 1 ~C 3 的烷基。
Drugs covered by this patent
- Palbociclib (palbociclib) · Pfizer Inc.
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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