Ltd General
2004
Citations
0
Influential Citations
0
Citations
Journal
Heilongjiang Medical Journal
Abstract
7-amino-3-(1-pyridiniummethyl)-3-cephem-4-carboxylic acid halide is an impor- tant intermediate of Ceftazidime.Summarized the advantages or shortcomings of it's synthesized routes on the base of consulting literature data.In the mean time the experiment's result is elabo- rated,a synthesized routes from 7-ACA to 7-amino-3-(1-pyridiniummethyl)-3-cephem-4-car- boxylic acid halide.