发明授权
US5208349A Process for preparing milbemycin derivatives and certain novel compounds
employed therein
失效
米尔霉素衍生物及其中所用的某些新化合物的制备方法
- 专利标题: Process for preparing milbemycin derivatives and certain novel compounds employed therein
- 专利标题(中): 米尔霉素衍生物及其中所用的某些新化合物的制备方法
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申请号: US644880申请日: 1991-01-24
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公开(公告)号: US5208349A公开(公告)日: 1993-05-04
- 发明人: Kazuo Sato , Takao Kinoto , Shigeru Mio , Toshiaki Yanai
- 申请人: Kazuo Sato , Takao Kinoto , Shigeru Mio , Toshiaki Yanai
- 申请人地址: JPX Tokyo
- 专利权人: Sankyo Company, Limited
- 当前专利权人: Sankyo Company, Limited
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX59-225551 19841026; JPX60-69804 19850402
- 主分类号: C07H19/01
- IPC分类号: C07H19/01
摘要:
13-Hydroxy-5-ketomilbemycin derivatives are prepared by oxidizing a 5-ketomilbemycin with selenium dioxide in the presence of a lower aliphatic carboxylic acid. A range of new 13-acyloxy-5-ketomilbemycins and a method of preparing them are also disclosed.
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