CN Patent

CN105440019A — 一种治疗胃酸疾病药物的制备方法

Assigned to Kunming Guiyan Pharmaceutical Co ltd · Expires 2016-03-30 · 10y expired

What this patent protects

本发明公开了一种治疗胃酸疾病药物TAK438的制备方法，制备过程中以2-溴-2ˊ-氟苯乙酮(Ⅰ)为起始原料，通过缩合反应、环化反应、还原反应、磺酰化反应、还原胺化反应等制得目标产物TAK438。本路线原料易得、反应易于控制，产率较高，可工业化生产。

USPTO Abstract

本发明公开了一种治疗胃酸疾病药物TAK438的制备方法，制备过程中以2-溴-2ˊ-氟苯乙酮(Ⅰ)为起始原料，通过缩合反应、环化反应、还原反应、磺酰化反应、还原胺化反应等制得目标产物TAK438。本路线原料易得、反应易于控制，产率较高，可工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN105440019A
Jurisdiction
CN
Classification
—
Expires
2016-03-30
Drug substance claim
No
Drug product claim
No
Assignee
Kunming Guiyan 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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