CN Patent

CN105523993A — N-(4-氟苄基)-n-(1-甲基哌啶-4-基)-n’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐晶型c及制备应用

Assigned to Liangjiang Medicine Co Ltd · Expires 2016-04-27 · 10y expired

What this patent protects

本发明涉及一种N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐稳定晶型C的制备方法,属于药物晶型技术领域。该方法包括:(1)将N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐A晶型研磨;(2)将研磨后的固体在惰性气体下加热至130~150℃;(3)冷却至15-30℃即得N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐的晶型C。本发明提供的方法,操作简便,成本较低,为制备一种N-(4-氟苄基)-N-(1…

USPTO Abstract

本发明涉及一种N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐稳定晶型C的制备方法,属于药物晶型技术领域。该方法包括:(1)将N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐A晶型研磨;(2)将研磨后的固体在惰性气体下加热至130~150℃;(3)冷却至15-30℃即得N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐的晶型C。本发明提供的方法,操作简便,成本较低,为制备一种N-(4-氟苄基)-N-(1-甲基哌啶-4-基)-N’-(4-(2-甲基丙氧基)苯基甲基)脲酒石酸盐的稳定晶型提供了一条新的途径。

Drugs covered by this patent

Patent Metadata

Patent number
CN105523993A
Jurisdiction
CN
Classification
Expires
2016-04-27
Drug substance claim
No
Drug product claim
No
Assignee
Liangjiang Medicine Co Ltd
Source
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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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