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US07531656B2 Synthesis of gatifloxacin 失效
加替沙星的合成

Synthesis of gatifloxacin
摘要:
Provided are a method for making (±)-1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolenecarboxylic acid, commonly known as gatifloxacin, in high purity, in a suspension in a dipolar aprotic solvent.
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