CN Patent

CN112321506B — 一种5,7-二氯-1,2,3,4-四氢异喹啉的制备方法

Assigned to Jiangxi Tianxu Pharmaceutical Co ltd · Expires 2021-12-24 · 4y expired

What this patent protects

本发明提供了一种5,7‑二氯‑1,2,3,4‑四氢异喹啉的制备方法。该制备方法以3,5‑二氯苯甲酸为原料制备化合物A；由化合物A制备化合物B；由化合物B制备化合物C；由化合物C制备化合物D；由化合物D得到白色固体5,7‑二氯‑1,2,3,4‑四氢异喹啉。本发明的5,7‑二氯‑1,2,3,4‑四氢异喹啉的制备方法的产品纯度高，产品收率高。

USPTO Abstract

本发明提供了一种5,7‑二氯‑1,2,3,4‑四氢异喹啉的制备方法。该制备方法以3,5‑二氯苯甲酸为原料制备化合物A；由化合物A制备化合物B；由化合物B制备化合物C；由化合物C制备化合物D；由化合物D得到白色固体5,7‑二氯‑1,2,3,4‑四氢异喹啉。本发明的5,7‑二氯‑1,2,3,4‑四氢异喹啉的制备方法的产品纯度高，产品收率高。

Drugs covered by this patent

Patent Metadata

Patent number
CN112321506B
Jurisdiction
CN
Classification
—
Expires
2021-12-24
Drug substance claim
No
Drug product claim
No
Assignee
Jiangxi Tianxu Pharmaceutical 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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