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tou zuo zuo zuo ji qi na yan de yan zhi
Author(s): 
Pages: 1-4
Year: Issue:  1
Journal: HEILONGJIANG MEDICAL JOURNAL

Keyword:  头孢唑啉7-ACA7-ACD噻二唑四氮唑乙酸;
Abstract: 以7-ACA为起始原料,在三氟化硼-乙醚存在下与噻二唑进行三位缩合,产物7-ACD(TDA)以1,3-双(三甲基硅脲)为保护基与四氮唑乙酰氯进行七位缩合,制备头孢唑啉,再与碳酸氢钠反应,制成钠盐,总收率为50.61%.
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