CN Patent

CN106749201A — 一种沃拉帕沙及其中间体的制备方法

Assigned to Borui Pharmaceutical (suzhou) Ltd By Share Ltd · Expires 2017-05-31 · 9y expired

What this patent protects

本发明提供了一种沃拉帕沙及其中间体的制备方法。本发明提供的制备方法不需将羧酸还原成醛，而是直接将相应的醇氧化成对应醛，操作安全，避免了现有技术中羧酸先转化成酰氯再通过钯催化剂催化氢化成醛时，需要用到无水的钯炭的苛刻条件；制备方法简单，操作步骤简便；简化反应步骤，节省原料和试剂；整条路线生产成本低，收率高，适合工业化生产。

USPTO Abstract

本发明提供了一种沃拉帕沙及其中间体的制备方法。本发明提供的制备方法不需将羧酸还原成醛，而是直接将相应的醇氧化成对应醛，操作安全，避免了现有技术中羧酸先转化成酰氯再通过钯催化剂催化氢化成醛时，需要用到无水的钯炭的苛刻条件；制备方法简单，操作步骤简便；简化反应步骤，节省原料和试剂；整条路线生产成本低，收率高，适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN106749201A
Jurisdiction
CN
Classification
—
Expires
2017-05-31
Drug substance claim
No
Drug product claim
No
Assignee
Borui Pharmaceutical (suzhou) Ltd By Share 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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