CN Patent

CN105566327A — 一种jak激酶抑制剂的硫酸氢盐的i型结晶及其制备方法

Assigned to Jiangsu Hengrui Medicine Co Ltd · Expires 2016-05-11 · 10y expired

What this patent protects

本发明涉及一种JAK激酶抑制剂的硫酸氢盐的I型结晶及其制备方法。具体地,本发明涉及(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)氨基)六氢环戊并[c]吡咯-2(1H)-甲酰胺硫酸氢盐的I型结晶及其制备方法。所述制备方法包括将任意晶型或无定型的式(I)化合物固体在单一的有机溶剂中结晶得到I型结晶。本发明所得到式(I)化合物的I型结晶具备良好的晶型稳定性和化学稳定性,并且所用结晶溶剂低毒低残留,可更好地用于临床治疗。

USPTO Abstract

本发明涉及一种JAK激酶抑制剂的硫酸氢盐的I型结晶及其制备方法。具体地,本发明涉及(3aR,5s,6aS)-N-(3-甲氧基-1,2,4-噻二唑-5-基)-5-(甲基(7H-吡咯并[2,3-d]嘧啶-4-基)氨基)六氢环戊并[c]吡咯-2(1H)-甲酰胺硫酸氢盐的I型结晶及其制备方法。所述制备方法包括将任意晶型或无定型的式(I)化合物固体在单一的有机溶剂中结晶得到I型结晶。本发明所得到式(I)化合物的I型结晶具备良好的晶型稳定性和化学稳定性,并且所用结晶溶剂低毒低残留,可更好地用于临床治疗。

Drugs covered by this patent

Patent Metadata

Patent number
CN105566327A
Jurisdiction
CN
Classification
Expires
2016-05-11
Drug substance claim
No
Drug product claim
No
Assignee
Jiangsu Hengrui Medicine 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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