CN Patent

CN104788456A — Dpp-iv抑制剂的新的盐

Assigned to Zydus Lifesciences Ltd · Expires 2015-07-22 · 11y expired

What this patent protects

本发明涉及DPP-IV抑制剂的新的盐。本发明公开了(2R)-4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-胺的新的盐,即龙胆酸盐、己二酸盐和三氟乙酸盐。本发明还描述了(2R)-4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-胺龙胆酸盐的新的结晶和无定形形式。本发明还公开了(2R)-4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-…

USPTO Abstract

本发明涉及DPP-IV抑制剂的新的盐。本发明公开了(2R)-4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-胺的新的盐,即龙胆酸盐、己二酸盐和三氟乙酸盐。本发明还描述了(2R)-4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-胺龙胆酸盐的新的结晶和无定形形式。本发明还公开了(2R)-4-氧代-4-[3-(三氟甲基)-5,6-二氢[1,2,4]-三唑并[4,3-a]吡嗪-7(8H)-基]-1-(2,4,5-三氟苯基)丁-2-胺盐酸盐的新的结晶盐形式和苯磺酸盐的新的结晶和无定形盐形式以及它们的制备和分离方法。

Drugs covered by this patent

Patent Metadata

Patent number
CN104788456A
Jurisdiction
CN
Classification
Expires
2015-07-22
Drug substance claim
No
Drug product claim
No
Assignee
Zydus Lifesciences 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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