发明授权
US5362862A Process for 4"-EPI-acetylamino-4"-deoxy-5-oximinoavermectin-B.sub.1
失效
4“ - 乙酰氨基-4” - 脱氧-5-肟基维生素B1的方法
- 专利标题: Process for 4"-EPI-acetylamino-4"-deoxy-5-oximinoavermectin-B.sub.1
- 专利标题(中): 4“ - 乙酰氨基-4” - 脱氧-5-肟基维生素B1的方法
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申请号: US128935申请日: 1993-09-29
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公开(公告)号: US5362862A公开(公告)日: 1994-11-08
- 发明人: Joseph S. Amato , Raymond Cvetovich
- 申请人: Joseph S. Amato , Raymond Cvetovich
- 申请人地址: NJ Rahway
- 专利权人: Merck & Co., Inc.
- 当前专利权人: Merck & Co., Inc.
- 当前专利权人地址: NJ Rahway
- 主分类号: C07H19/01
- IPC分类号: C07H19/01 ; C07H17/04 ; A61K31/70
摘要:
An improved process for formation of a 5-oxime on avermectin derivatives comprises the treatment of the oxo compound with O-(trimethylsilyl)hydroxylamine in the presence of a Lewis acid.
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