CN Patent

CN107033155B — 一种吗啡酮类化合物的立体选择性还原方法

Assigned to Shanghai Institute of Pharmaceutical Industry · Expires 2019-04-26 · 7y expired

What this patent protects

本发明公开了一种吗啡酮类化合物的立体选择性还原方法。所述立体选择性还原方法包括以下步骤:有机溶剂中,酸存在的条件下,将吗啡酮类化合物与四甲基三乙酰氧硼氢化铵反应,即可。本发明使用的还原剂四甲基三乙酰氧硼氢化铵制备方便,价格低廉,易于保存的操作,并且对设备无腐蚀性,且反应收率基本可达到99%左右,de值可达98%以上。

USPTO Abstract

本发明公开了一种吗啡酮类化合物的立体选择性还原方法。所述立体选择性还原方法包括以下步骤:有机溶剂中,酸存在的条件下,将吗啡酮类化合物与四甲基三乙酰氧硼氢化铵反应,即可。本发明使用的还原剂四甲基三乙酰氧硼氢化铵制备方便,价格低廉,易于保存的操作,并且对设备无腐蚀性,且反应收率基本可达到99%左右,de值可达98%以上。

Drugs covered by this patent

Patent Metadata

Patent number
CN107033155B
Jurisdiction
CN
Classification
Expires
2019-04-26
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Institute of Pharmaceutical Industry
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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