CN Patent

CN107056706B — 一种用于制备盐酸伊伐布雷定α晶型的方法

Assigned to Shanghai Maijin Biomedical Technology Co ltd · Expires 2020-05-05 · 6y expired

What this patent protects

本发明涉及一种用于制备盐酸伊伐布雷定α晶型的方法。具体而言，本发明涉及式I所示的盐酸伊伐布雷定α晶型的制备方法，其特征是盐酸伊伐布雷定的无定形或其他晶型在甲苯、乙酸丁酯或4‑甲基‑2‑戊酮等高沸点不良溶剂中高温搅拌转晶。利用本法制备盐酸伊伐布雷定α晶型，操作过程简便，产品收率高、易干燥。

USPTO Abstract

本发明涉及一种用于制备盐酸伊伐布雷定α晶型的方法。具体而言，本发明涉及式I所示的盐酸伊伐布雷定α晶型的制备方法，其特征是盐酸伊伐布雷定的无定形或其他晶型在甲苯、乙酸丁酯或4‑甲基‑2‑戊酮等高沸点不良溶剂中高温搅拌转晶。利用本法制备盐酸伊伐布雷定α晶型，操作过程简便，产品收率高、易干燥。

Drugs covered by this patent

Patent Metadata

Patent number
CN107056706B
Jurisdiction
CN
Classification
—
Expires
2020-05-05
Drug substance claim
No
Drug product claim
No
Assignee
Shanghai Maijin Biomedical Technology 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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