The present invention relates to novel 4-substituted-2-oxoazetidine compounds and to processes for preparing the same. These compounds are useful intermediates for preparing antibiotics having the basic skeleton of Thienamycin.
本发明涉及一种新型的4-取代-2-氧代氮杂环
丙酮化合物及其制备方法。这些化合物是制备具有Thienamycin基本骨架的抗生素的有用中间体。