Azetidinone alcohol disulfides are synthesized by reduction of the corresponding aldehydes. The azetidinone alcohol disulfides are the substrates for a process which cyclizes these compounds to 1-oxa .beta.-lactam compounds, employing a cyclizing reagent chosen from the class consisting of divalent mercury salts or trivalent phosphine compounds. The 1-oxa .beta.-lactam compounds produced by this process are intermediates in the synthesis of 1-oxa .beta.-lactam antibiotics.
Azetidinone醇二
硫醚通过还原相应的醛合成。Azetidinone醇二
硫醚是一个过程的底物,该过程将这些化合物环化为1-氧代β-内酰胺化合物,使用的环化试剂来自于二价
汞盐或三价膦化合物类。通过这一过程产生的1-氧代β-内酰胺化合物是1-氧代β-内酰胺类抗生素合成中的中间体。