A simple procedure is described for the preparation of 3-oxo-1,2,5-thiadiazoles under mild conditions. This procedure has provided hitherto unknown 7β-s̆ (3-oxo-1,2,5-thiadiazol-2-yl) cephalosporins.
描述了在温和条件下制备3-氧代-
1,2,5-噻二唑的简单方法。该方法提供了迄今未知的7β-s̆(3-氧代-
1,2,5-噻二唑-2-基)
头孢菌素。