In one aspect, the invention relates to a process for preparing 6-O-substituted erythromycin derivatives comprising reacting 2'-substituted and optionally 4'-substituted 9-oxime erythromycin derivatives with an alkylating agent in the presence of a palladium catalyst and phosphine. In another aspect, the invention relates to processes for preparing 6-O-substituted erythromycin ketolides using the palladium-catalyzed alkylation reaction.
在一个方面,本发明涉及一种制备6-O取代
红霉素衍
生物的过程,包括在
钯催化剂和膦的存在下,将2'-取代和可选的4'-取代的9-
肟红霉素衍
生物与烷基化试剂反应。在另一个方面,本发明涉及使用
钯催化烷基化反应制备6-O取代
红霉素酮环内酯的过程。