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    • 3. 发明授权
    • Cephem compounds
    • 头孢烯化合物
    • US4833134A
    • 1989-05-23
    • US84882
    • 1987-08-13
    • Shoji KishimotoKiminori TomimatsuMichiyuki Sendai
    • Shoji KishimotoKiminori TomimatsuMichiyuki Sendai
    • A61K31/545C07D501/38C07D501/46
    • C07D501/46
    • Cephem compounds of the formula: ##STR1## wherein Q stands for a nitrogen atom or CH, R.sup.1 stands for a hydrogen atom or an optionally substituted lower alkyl group, R.sup.2 stands for a hydrogen atom or a lower alkyl group, A stands for a sulfur atom or NH, and n denotes an integral number ranging from 2 to 4, or salts thereof, and processes for producing them. The compounds (I) or salts thereof show not only excellent antibacterial activities against a wide range of pathogenic bacteria from gram-positive to gram-negative ones, including a variety of strains isolated clinically but also hydrophilic properties, and therefore they are excellent antibiotic substances having desirable water-solubility when used as injections.
    • 下式的头孢烯化合物:其中Q代表氮原子或CH,R1代表氢原子或任选取代的低级烷基,R2代表氢原子或低级烷基 A表示硫原子或NH,n表示2〜4的整数,或其盐,及其制造方法。 化合物(I)或其盐不仅具有针对从革兰氏阳性至革兰氏阴性菌的广泛病原菌的优良抗菌活性,包括临床分离的各种菌株,而且亲水性,因此它们是优异的抗生素物质 当用作注射剂时具有所需的水溶性。
    • 7. 发明授权
    • Process for producing cyclic compound
    • 环状化合物的制备方法
    • US07038042B2
    • 2006-05-02
    • US11010215
    • 2004-12-10
    • Tomomi IkemotoTatsuya ItoKiminori Tomimatsu
    • Tomomi IkemotoTatsuya ItoKiminori Tomimatsu
    • C07D487/00C07C313/00
    • C07D225/06C07D313/08C07D313/20
    • A process suitable for safely mass-producing, through a short step, cyclic compounds useful in medicines, agricultural chemicals, foods, cosmetics, and chemical products or as intermediates therefor. The process, which is for producing a compound represented by the formula: {wherein Z represents an electron-attracting group; W represents optionally substituted ethylene or optionally substituted vinylene; R3 represents hydrogen or an optionally substituted hydrocarbon group; and X represents a divalent group [provided that when W represents optionally substituted vinylene, then —X—CH2-Z is not —X1—X2—CH2, -Z (wherein X1 represents sulfur or optionally substituted nitrogen and X2 represents optionally substituted ethylene)]} or a salt thereof, is characterized by subjecting a compound represented by the formula (II) or a salt thereof: (wherein the symbols have the same meanings as the above) to a ring closure reaction in a solvent containing a carbonic diester.
    • 一种适用于通过短步安全批量生产用于药物,农药,食品,化妆品和化学产品的环状化合物或其中间体的方法。 该方法用于制备由下式表示的化合物:其中Z表示吸电子基团; W表示任选取代的乙烯或任选取代的亚乙烯基; R 3表示氢或任选取代的烃基; 并且X表示二价基团[条件是当W表示任选取代的亚乙烯基时,则-X-CH 2 -Z不是-X 1 - 2 - -CH 2 - ,其中X 1表示硫或任选取代的氮,X 2表示任选取代的亚乙基)]} 或其盐的特征在于,在含有碳酸二酯的溶剂中使式(II)表示的化合物或其盐(其中符号具有与上述相同的含义)进行闭环反应。