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    • 3. 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。
    • 4. 发明公开
    • 3-알케닐세펨 화합물의 제조 방법
    • 3-烯丙基化合物的制备方法
    • KR1020100051573A
    • 2010-05-17
    • KR1020090107125
    • 2009-11-06
    • 니폰 가가쿠 고교 가부시키가이샤
    • 와쿠이,아츠시마츠모토,노부오오하라,노부히코다쿠보,요스케
    • C07D501/22C07D417/02C07D417/06
    • C07D501/22C07D417/02C07D417/06
    • PURPOSE: A producing method of a 3-alkenylcephem compound is provided to reduce the containing rate of phenyl acetic acid or its derivative as an impurity to an E body of a target compound. CONSTITUTION: A producing method of 7-amino-3-[2-(4-methylthiazole-5-task)vinyl]-3-cephem-4-carboxylic acid marked as chemical formula 3, comprises the following steps: performing a de-protection reaction for an amino bond of 7 location by enzyme reacting 7-amino-3-[2-(4-methylthiazole-5-task)vinyl]-3-cephem-4-carboxylic acid salt marked as chemical formula 1; obtaining an aqueous solution of the 7-amino-3-[2-(4-methylthiazole-5-task)vinyl]-3-cephem-4-carboxylic acid or the 7 location by enzyme reacting 7-amino-3-[2-(4-methylthiazole-5-task)vinyl]-3-cephem-4-carboxylic acid salt; and reacting the aqueous solution with activated charcoal.
    • 目的:提供3-链烯基头孢烯化合物的制备方法,以将苯乙酸或其衍生物作为杂质的含有率降低至目标化合物的E体。 构成:标记为化学式3的7-氨基-3- [2-(4-甲基噻唑-5-任意)乙烯基] -3-头孢烯-4-羧酸的制备方法包括以下步骤: 通过酶标记为化学式1的7-氨基-3- [2-(4-甲基噻唑-5-任务)乙烯基] -3-头孢烯-4-羧酸酶的酶反应来保护7位氨基的保护反应; 得到7-氨基-3- [2-(4-甲基噻唑-5-任务)乙烯基] -3-头孢烯-4-羧酸或7位的水溶液,使7-氨基-3- [2 - (4-甲基噻唑-5-任务)乙烯基] -3-头孢烯-4-羧酸盐; 并使水溶液与活性炭反应。