CAS: 137391-68-5; (R)-4-Nitrobenzyl 2-Diazo-4-((2R,3S)-3-((R)-1-Hydroxyethyl)-4-Oxoazetidin-2-yl)-3-Oxopentanoate

该化合物是合成有机化合物,其特点是复杂的环球结构.该化合物具有一种合成有机化合物,其特征是复杂的环球循环结构结构.该化合物的溶解性和稳定性各不相同,影响其在合成和配方中的应用.与许多有机化合物一样,应注意安全性和处理预防措施,特别是由于存在可能会对健康造成危害的溴原子.

结构式图片

MSDS等安全信息

合成工艺路线路线简述

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    专利信息


    专利号:US-8093378-B2
    优先权日:2006-04-28
    标题 :Crystallization method for intermediates of carbapenem antibiotics
    发明人:NISHINO KEITA; KOGA TERUYOSHI; FUKAE MASAFUMI; UEDA YASUYOSHI
    权利人:NISHINO KEITA; KOGA TERUYOSHI; FUKAE MASAFUMI; UEDA YASUYOSHI; KANEKA CORP
    摘要:An improved crystallization method for an azetidinone compound represented by the formula 1: , which is extremely useful as a common intermediate for the synthesis of 1β-methylcarbapenem compounds. The present method provides crystals having higher quality and stability than conventional crystals and excellent filterability at the time of recovery; and an azetidinone compound having a low content of impurity, and which has a controlled particle size distribution of crystals and improved handleability and stability. The crystallization is carried out by adding a hydrocarbon solvent to a solution in which an azetidinone compound extremely useful as a common intermediate for the synthesis of 1β-methylcarbapenem compounds is dissolved in the presence of a seed crystal in an amount of 200% by weight or less based on the weight of the azetidinone compound.

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