(1S)-6-hydroxy-1-hydroxymethyl-5-methylene-2-oxa-7,9-diaza-bicyclo[4.2.2]decane-8,10-dione 、
碘甲烷 在
sodium hydride 作用下,
以
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
以13.3%的产率得到N-8-methyl-8,10-diaza-6-hydroxy-1-(hydroxymethyl)-5-methylene-2-oxabicyclo<4.2.2>decane-7,9-dione