CN Patent

CN102718679B — 一种诺那替尼关键中间体的制备方法

Assigned to AVENTIS PHARMA (HAINAN) Co.,Ltd. · Expires 2016-06-08 · 10y expired

What this patent protects

本发明公开了一种诺那替尼关键中间体的制备方法,其包含下述步骤:在有机溶剂中,化合物I与化合物II酰胺化反应得到中间体III;化合物III进行乙基化,得到化合物IV;化合物IV经过选择性还原得到诺那替尼关键中间体V。本发明所提供的制备方法可缩短诺那替尼的反应步骤,降低生产成本。

USPTO Abstract

本发明公开了一种诺那替尼关键中间体的制备方法,其包含下述步骤:在有机溶剂中,化合物I与化合物II酰胺化反应得到中间体III;化合物III进行乙基化,得到化合物IV;化合物IV经过选择性还原得到诺那替尼关键中间体V。本发明所提供的制备方法可缩短诺那替尼的反应步骤,降低生产成本。

Drugs covered by this patent

Patent Metadata

Patent number
CN102718679B
Jurisdiction
CN
Classification
Expires
2016-06-08
Drug substance claim
No
Drug product claim
No
Assignee
AVENTIS PHARMA (HAINAN) 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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