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

Process for preparing milbemycin derivatives and certain novel compounds
employed therein
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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