描述:
(3-Amino-2,2-dimethyl-4-oxoazetidin-1-yl) hydrogen sulfate 、 在
(3-Amino-2,2-dimethyl-4-oxoazetidin-1-yl) hydrogen sulfate 作用下,
以69的产率得到2-[(E)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(3S)-2,2-dimethyl-4-oxo-1-sulfonatooxyazetidin-3-yl]amino]-2-oxoethylidene]amino]oxyacetate;2-hydroxyethyl(trimethyl)azanium