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    • 6. 发明公开
    • 세펨 화합물의 제조 방법
    • 制备化合物的方法
    • KR1020110094670A
    • 2011-08-24
    • KR1020100014223
    • 2010-02-17
    • 니폰 가가쿠 고교 가부시키가이샤
    • 오하라,노부히코와쿠이,아츠시다쿠보,요스케마츠모토,노부오
    • C07D279/08C07D417/06
    • C07D279/08C07D417/06C07D501/24
    • PURPOSE: A method for preparing cepheme compounds is provided to obtain selectively obtain a Z body which is useful as a synthesis intermediate. CONSTITUTION: A method for preparing cepheme compounds comprises: a step of reacting chlorination azetidinone derivatives of chemical formula 1 and alcoholate in a solvent containing alcohol to prepare a crystal of 3-chloromethyl-3-cephene derivative of chemical formula 2; a step of reacting the compound of chemical formula 2 with triphenyl phosphine and sodium iodide to prepare a compound of chemical formula 3; a step of reacting the compound of chemical formula 3 with sodium hydroxide or sodium bicarbonate to prepare 3-[(triphenyl-phosphoranylidene)methyl]-3-cepheme compound of chemical formula I; and a step of reacting the compound of chemical formula I with 4-methylthiazole-5-carboaldehyde of chemical formula II.
    • 目的:提供一种制备头孢烯化合物的方法,以选择性地获得可用作合成中间体的Z体。 构成:制备头发化合物的方法包括:使化学式1的氯化氮杂环丁酮衍生物与醇化物在含醇的溶剂中反应,制备化学式2的3-氯甲基-3-环烯衍生物的结晶的步骤; 使化学式2的化合物与三苯基膦和碘化钠反应以制备化学式3的化合物的步骤; 使化学式3的化合物与氢氧化钠或碳酸氢钠反应以制备化学式I的3 - [(三苯基 - 亚正膦基)甲基] -3-头孢烯化合物的步骤; 以及使化学式I的化合物与化学式II的4-甲基噻唑-5-甲醛反应的步骤。