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综述了以青霉素 G钾为原料经氧化、酯化、扩环、水解、脱苯乙酰基等反应制备 7-氨基脱乙酰氧基头孢烷酸的合成工艺
The synthesis of 7-amino deacetoxycephalosporanic acid from penicillin G potassium by oxidation, esterification, ring expansion, hydrolysis and deacetylation was reviewed