Keywords ethyl-demethylaminothiazolyloximate;ethyl 4-chloroacetate;oximation;cyclocondensation;cephalosporine derivatives;one-pot synthesis;

• 去甲氨噻肟酸乙酯;肟化;环合;氨噻肟酸;头孢菌素类抗生素;一锅法;