CN Patent

CN108640842B — 一种2-溴-5-氟硝基苯的合成方法

Assigned to Dalian Join King Fine Chemical Co ltd · Expires 2021-06-04 · 5y expired

What this patent protects

本发明公开了一种2‑溴‑5‑氟硝基苯的合成方法，属于有机化学领域。在有机溶剂中，加入间硝基氟苯和二溴海因，升温滴加硫酸水溶液，滴完后继续保温反应，随后冷却至室温。分出有机层，水洗至中性后，减压脱溶获得目标产品。该方法反应体系简单，原料易得，硫酸水溶液可以多次套用，废水量少，为该化合物的合成提供了简洁绿色的途径。

USPTO Abstract

本发明公开了一种2‑溴‑5‑氟硝基苯的合成方法，属于有机化学领域。在有机溶剂中，加入间硝基氟苯和二溴海因，升温滴加硫酸水溶液，滴完后继续保温反应，随后冷却至室温。分出有机层，水洗至中性后，减压脱溶获得目标产品。该方法反应体系简单，原料易得，硫酸水溶液可以多次套用，废水量少，为该化合物的合成提供了简洁绿色的途径。

Drugs covered by this patent

Patent Metadata

Patent number
CN108640842B
Jurisdiction
CN
Classification
—
Expires
2021-06-04
Drug substance claim
No
Drug product claim
No
Assignee
Dalian Join King Fine Chemical Co ltd
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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