Invention Grant
- Patent Title: Chemical process and new crystalline form
- Patent Title (中): 化学工艺和新的结晶形式
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Application No.: US10599145Application Date: 2005-03-30
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Publication No.: US07846973B2Publication Date: 2010-12-07
- Inventor: Darren Michael Caine , Ian Leonard Paternoster , Peter David Penberthy Shapland
- Applicant: Darren Michael Caine , Ian Leonard Paternoster , Peter David Penberthy Shapland
- Applicant Address: US CA South San Francisco
- Assignee: Theravance, Inc.
- Current Assignee: Theravance, Inc.
- Current Assignee Address: US CA South San Francisco
- Agent Jeffrey A. Hagenah; Roberta P. Saxon
- Priority: GB0407521.4 20040402; GB0411688.5 20040525
- International Application: PCT/GB2005/001241 WO 20050330
- International Announcement: WO2005/095328 WO 20051013
- Main IPC: A61K31/135
- IPC: A61K31/135

Abstract:
The present invention relates to the preparation of a β2 adrenergic agonist in crystalline salt form. In particular the invention relates to preparation of a crystalline salt of compound (I) in particular a crystalline monohydrochloride salt. The invention also relates to a new crystalline form (polymorph) of the monohydrochloride salt of compound (Ia) and a process for preparing it.
Public/Granted literature
- US20100063157A1 CHEMICAL PROCESS AND NEW CRYSTALLINE FORM Public/Granted day:2010-03-11
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