CN Patent

CN105646355A — 3-(羟甲基)-1-甲基-吡唑-5-甲腈的制备方法

Assigned to Medical Science And Technology (shanghai) Co Ltd · Expires 2016-06-08 · 10y expired

What this patent protects

本发明涉及一种3-(羟甲基)-1-甲基-吡唑-5-甲腈的制备方法。本发明创造为将二乙基1H-吡唑-3,5-二羧酸作为起始原料反应制备得到二乙基1-甲基-吡唑-3,5-二羧酸，再经过水解及腈化反应最终制备得到终产物3-(羟甲基)-1-甲基-吡唑-5-甲腈。本发明创造方法简便，产物收率和纯度高，反应条件温和安全性高，特别适合工业化生产。

USPTO Abstract

本发明涉及一种3-(羟甲基)-1-甲基-吡唑-5-甲腈的制备方法。本发明创造为将二乙基1H-吡唑-3,5-二羧酸作为起始原料反应制备得到二乙基1-甲基-吡唑-3,5-二羧酸，再经过水解及腈化反应最终制备得到终产物3-(羟甲基)-1-甲基-吡唑-5-甲腈。本发明创造方法简便，产物收率和纯度高，反应条件温和安全性高，特别适合工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number
CN105646355A
Jurisdiction
CN
Classification
—
Expires
2016-06-08
Drug substance claim
No
Drug product claim
No
Assignee
Medical Science And Technology (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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