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Issue:
Preparation of ceftiofur sodium
Author(s):
ZENG Yujian
,
YANG Mei
Pages:
645
-
646
Year:
2003
Issue:
11
Journal:
CHINESE JOURNAL OF ANTIBIOTICS
Keyword:
头孢噻呋酸
;
头孢噻呋钠
;
7-ACA
;
制备
;
Abstract:
目的头孢噻呋钠制备工艺的研究.方法 7-ACA与 2-呋喃甲硫羟酸缩合后,与 AE活性酯反应得头孢噻呋酸,然后依次将之转化为头孢噻呋盐酸盐及头孢噻呋钠.结果以 7-ACA计算,总重量收率为 78.9%.结论此方法收率高,产品纯度好,适合工业化生产.
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