Invention Grant
- Patent Title: Clavulanic acid amine salts, their preparation and use
- Patent Title (中): 克拉维酸胺盐，其制备和用途
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Application No.: US693122Application Date: 1985-01-22
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Publication No.: US4647659APublication Date: 1987-03-03
- Inventor: Michael A. Cook , Alan D. Curzons , Robert B. Wilkins
- Applicant: Michael A. Cook , Alan D. Curzons , Robert B. Wilkins
- Applicant Address: GB2
- Assignee: Beecham Group p.l.c.
- Current Assignee: Beecham Group p.l.c.
- Current Assignee Address: GB2
- Priority: GBX7927544 19790824
- Main IPC: C07D498/04
- IPC: C07D498/04 ; A61K31/42 ; A61P31/04 ; C07D503/00 ; C07D487/04
Abstract:
This invention provides a novel process for the preparation of clavulanic acid and pharmaceutically acceptable salts and esters thereof which process utilizes the preparation of the tertiary-butylamine salt of clavulanic acid optionally in the form of an acetone solvate and subsequently converting said salt into the desired product.
Public/Granted literature
- US5121007A Step-down unit incorporated in large scale integrated circuit Public/Granted day:1992-06-09
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