CN Patent

CN121494792A — 一种5-甲氧基-4,6-二羟基嘧啶的制备方法

Assigned to Guobang Pharmaceutical Group Co Ltd · Expires 2026-02-10 · 0y expired

What this patent protects

本发明公开了一种5‑甲氧基‑4,6‑二羟基嘧啶的制备方法，涉及5‑甲氧基‑4,6‑二羟基嘧啶生产技术领域，N,N‑二乙基‑2,3,3,3‑四氟丙酰胺经脱氟甲氧基化后得到2‑甲氧基‑3‑(二乙氨基甲酰基)丙酸乙酯；2‑甲氧基‑3‑(二乙氨基甲酰基)丙酸乙酯经环化得到5‑甲氧基‑4,6‑二羟基嘧啶，步骤简单，生产成本低，适于工业化生产。

USPTO Abstract

本发明公开了一种5‑甲氧基‑4,6‑二羟基嘧啶的制备方法，涉及5‑甲氧基‑4,6‑二羟基嘧啶生产技术领域，N,N‑二乙基‑2,3,3,3‑四氟丙酰胺经脱氟甲氧基化后得到2‑甲氧基‑3‑(二乙氨基甲酰基)丙酸乙酯；2‑甲氧基‑3‑(二乙氨基甲酰基)丙酸乙酯经环化得到5‑甲氧基‑4,6‑二羟基嘧啶，步骤简单，生产成本低，适于工业化生产。

Drugs covered by this patent

Patent Metadata

Patent number: CN121494792A
Jurisdiction: CN
Classification: —
Expires: 2026-02-10
Drug substance claim: No
Drug product claim: No
Assignee: Guobang Pharmaceutical Group 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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