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阿奇霉素二水合物的合成及结晶工艺改进 被引量:3

Improvement on Synthesis and Crystallization of Aziyhromycin Dihydrate
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摘要 以二氢高红霉素、甲酸和甲醛为原料,乙酸乙酯为溶剂,经甲基化,萃取和重结晶,得到阿奇霉素二水合物,含量98.3%,收率:84.3%,产品符合USP34,EP7.0标准。 Azithromycin dihydrate was prepared from azaethromycin,formic acid and formaldehyde in ethyl acetate in 84.3% yield with purity of 98.3%,which conforms to the standard of USP34 and EP7.0.
出处 《精细化工中间体》 CAS 2012年第3期50-51,共2页 Fine Chemical Intermediates
关键词 阿奇霉素 抗生素 甲基化反应 结晶 azithromycin antibiotic methylation crystallization
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参考文献7

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