CN Patent

CN109970662B — 一种制备噁拉戈利中间体的方法

Assigned to Shanghai Syncores Technologies Inc ltd · Expires 2023-06-30 · 3y expired

What this patent protects

本发明涉及一种式噁拉戈利中间体(IV)的制备方法，所述方法通过下面的路线制备，合成路线短，该方法操作简捷安全，收率良好，同时环境污染小，有很好的经济效应，适宜工业生产，其中式I中X代表卤素中的Cl、Br、I或OH。

USPTO Abstract

本发明涉及一种式噁拉戈利中间体(IV)的制备方法，所述方法通过下面的路线制备，合成路线短，该方法操作简捷安全，收率良好，同时环境污染小，有很好的经济效应，适宜工业生产，其中式I中X代表卤素中的Cl、Br、I或OH。

Drugs covered by this patent

Patent Metadata

Patent number: CN109970662B
Jurisdiction: CN
Classification: —
Expires: 2023-06-30
Drug substance claim: No
Drug product claim: No
Assignee: Shanghai Syncores Technologies Inc 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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