stereochemistry of these compounds has been determined by spectroscopic methods. Further, greater diversity of β-lactams via ring expansion of these azridines-2-carboxylates were obtained by a general, efficient and direct stereospecific approach.
已经描述了获得各种
氮丙啶-2-
羧酸盐的各种途径,并且已经通过光谱法确定了这些化合物的立体
化学。此外,β内酰胺类的更大的多样性通过由一般的,有效和直接的立体有择方法获得的这些azridines -2-
羧酸酯的扩环。