CN Patent

CN111056950A — 一种制备3’,4’-二氯-2-氨基联苯的方法

Assigned to Guangdong University of Petrochemical Technology · Expires 2020-04-24 · 6y expired

What this patent protects

本发明提供3',4’‑二氯‑2‑氨基联苯的制备方法，在含碳水化合物单元的氮杂环卡宾配位的钯络合物的催化作用下,2‑溴苯胺与3,4‑二氯苯硼酸发生交叉偶联反应生成3',4’‑二氯‑2‑氨基联苯。本发明所涉及方法的特征是应用含α‑D‑吡喃阿卓糖、β‑D‑吡喃阿卓糖、α‑D‑吡喃艾杜糖或β‑D‑吡喃艾杜糖碳水化合物单元且咪唑基氮原子连接在吡喃环的2‑位或3‑位上的氮杂环卡宾配位的钯络合物为催化剂。

USPTO Abstract

本发明提供3',4’‑二氯‑2‑氨基联苯的制备方法，在含碳水化合物单元的氮杂环卡宾配位的钯络合物的催化作用下,2‑溴苯胺与3,4‑二氯苯硼酸发生交叉偶联反应生成3',4’‑二氯‑2‑氨基联苯。本发明所涉及方法的特征是应用含α‑D‑吡喃阿卓糖、β‑D‑吡喃阿卓糖、α‑D‑吡喃艾杜糖或β‑D‑吡喃艾杜糖碳水化合物单元且咪唑基氮原子连接在吡喃环的2‑位或3‑位上的氮杂环卡宾配位的钯络合物为催化剂。

Drugs covered by this patent

Patent Metadata

Patent number
CN111056950A
Jurisdiction
CN
Classification
—
Expires
2020-04-24
Drug substance claim
No
Drug product claim
No
Assignee
Guangdong University of Petrochemical Technology
Source
FDA Orange Book + USPTO grounding via Google Patents

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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