The technology and equipment for the process of side-chain chlorination, oxidation, diazotization and coupling are introduced.
介绍了侧链氯化、氧化、重氮化和偶合的工艺及设备。
Cefixime open side chain acid was prepared by oximation, etherification, chlorination, ester decomposition using t-butyl acetoacetate as starting material.
以乙酰乙酸叔丁酯为原料，经过肟化、醚化、氯代酯解反应合成了头孢克肟开环侧链酸。
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