CN Patent

CN113943329A — 一种坎格列净中间体的非对映异构体的制备方法

Assigned to SYNCOZYMES (SHANGHAI) CO Ltd · Expires 2022-01-18 · 4y expired

What this patent protects

本发明公开了一种坎格列净中间体(化合物II)的非对映异构体(化合物I)的制备方法。本发明的方法为化合物II在Lewis酸与硼氢化锂的催化作用下生成化合物I。本发明的方法，原料易获得，反应条件温和，操作简单。

USPTO Abstract

本发明公开了一种坎格列净中间体(化合物II)的非对映异构体(化合物I)的制备方法。本发明的方法为化合物II在Lewis酸与硼氢化锂的催化作用下生成化合物I。本发明的方法，原料易获得，反应条件温和，操作简单。

Drugs covered by this patent

Patent Metadata

Patent number
CN113943329A
Jurisdiction
CN
Classification
—
Expires
2022-01-18
Drug substance claim
No
Drug product claim
No
Assignee
SYNCOZYMES (SHANGHAI) 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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