CN Patent

CN104892526A — 一种2,5-二氯-n-(2-(异丙基磺酰基)苯基)嘧啶-4-胺的制备方法

Assigned to 2Y-CHEM LTD · Expires 2015-09-09 · 11y expired

What this patent protects

本发明涉及一种制备2,5-二氯-N-(2-(异丙基磺酰基)苯基)嘧啶-4-胺的新方法。该方法以邻氨基苯硫酚为起始原料，经过烷基化、酰化、氧化、水解和偶联5个步骤得到2,5-二氯-N-(2-(异丙基磺酰基)苯基)嘧啶-4-胺。本工艺与已有文献工艺相比，避免了使用很臭的异丙硫醇试剂，更加环保。整体合成路线的原料易得，反应单元操作简便，适合工业化生产。

USPTO Abstract

本发明涉及一种制备2,5-二氯-N-(2-(异丙基磺酰基)苯基)嘧啶-4-胺的新方法。该方法以邻氨基苯硫酚为起始原料，经过烷基化、酰化、氧化、水解和偶联5个步骤得到2,5-二氯-N-(2-(异丙基磺酰基)苯基)嘧啶-4-胺。本工艺与已有文献工艺相比，避免了使用很臭的异丙硫醇试剂，更加环保。整体合成路线的原料易得，反应单元操作简便，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN104892526A
Jurisdiction
CN
Classification
—
Expires
2015-09-09
Drug substance claim
No
Drug product claim
No
Assignee
2Y-CHEM 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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