CN Patent

CN113214050B — 一种合成2,3,5,6-四氟苯酚的方法

Assigned to Ningxia Zhongtong Biotechnology Co ltd · Expires 2022-07-19 · 4y expired

What this patent protects

本发明公开了一种合成2,3,5,6‑四氟苯酚的方法，属于精细化工领域。采用位阻较大短链脂肪酸钠和五氟苯甲酸在极性溶剂中回流反应；反应完毕，强酸水解脱羧后水蒸气蒸馏；水蒸气蒸馏产物进行精馏得到2,3,5,6‑四氟苯酚，纯度99.8％以上，收率88％以上。本工艺具有操作简便和环境污染小的显著特点，在制备2,3,5,6‑四氟苯酚产品上具有较好的经济价值。

USPTO Abstract

本发明公开了一种合成2,3,5,6‑四氟苯酚的方法，属于精细化工领域。采用位阻较大短链脂肪酸钠和五氟苯甲酸在极性溶剂中回流反应；反应完毕，强酸水解脱羧后水蒸气蒸馏；水蒸气蒸馏产物进行精馏得到2,3,5,6‑四氟苯酚，纯度99.8％以上，收率88％以上。本工艺具有操作简便和环境污染小的显著特点，在制备2,3,5,6‑四氟苯酚产品上具有较好的经济价值。

Drugs covered by this patent

Patent Metadata

Patent number
CN113214050B
Jurisdiction
CN
Classification
—
Expires
2022-07-19
Drug substance claim
No
Drug product claim
No
Assignee
Ningxia Zhongtong Biotechnology 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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