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AN IMPROVED PROCESS FOR PREPARATION OF CEFAZOLIN.
AN IMPROVED PROCESS FOR PREPARATION OF CEFAZOLIN.
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机译:头孢唑林制备工艺的改进。
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摘要
The present invention relates to an improved and an industrially advantageous process for the preparation of highly pure Cefazolin of Formula I, which involves the acylation of diethylamine salt of 7-ACA- TD of Formula III, in anhydrous organic solvent with mixed anhydride of Formula IV. (12) PATENT APPLICATION PUBLICATION
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