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    • 61. 发明公开
    • 새로운 세펨 화합물 및 이의 제조방법
    • CEPHEM衍生及其生产方法
    • KR1020010084202A
    • 2001-09-06
    • KR1020000009065
    • 2000-02-24
    • 한국과학기술연구원
    • 고훈영조용서최경일배애님차주환이지은
    • C07D501/16
    • Y02P20/55
    • PURPOSE: Provided is a cephem derivative which has broad range of antimicrobial activity. And its producing method is also provided. CONSTITUTION: The cephalosporin compounds represented by formula (1) and its pharmaceutically acceptable salts are produced. In the formula, R1 is hydrogen or an amine protecting group generally used in cephalosporin compounds; R2 is hydrogen or an oxim protecting group; R3 is hydrogen or a chloro group; R5 is hydrogen or an ester producing group, a salt producing atom or a carboxy protecting group; and R4 is ring substituent having Q group, in which Q is hydrogen, halogen, hydroxy, mercapto, cyano, carboxy, carboxylic acid ester, carbamoyloxymethyl, N,N-dimethylcarbamoyloxymethyl, carbamoyl, N,N-dimethylcarbamoyl, C1 to C4 alkyl, C1 to C4 alkyloxy, halogen substituted methyl, halogen substituted C1 to C4 alkyloxy, aryl or hetero ring substituent. The cephalosporin derivative of formula (1) is produced by reacting a compound of formula (7) with a compound of formula (8).
    • 目的:提供具有广泛抗菌活性的头孢烯衍生物。 并提供其生产方法。 构成:制备由式(1)表示的头孢菌素化合物及其药学上可接受的盐。 式中R1是氢或通常用于头孢菌素化合物的胺保护基; R2是氢或肟基保护基; R3是氢或氯基; R5是氢或产酯基,产盐原子或羧基保护基; R4是具有Q基团的环取代基,其中Q是氢,卤素,羟基,巯基,氰基,羧基,羧酸酯,氨基甲酰氧基甲基,N,N-二甲基氨基甲酰氧基甲基,氨基甲酰基,N,N-二甲基氨基甲酰基, C1至C4烷氧基,卤素取代的甲基,卤素取代的C1至C4烷氧基,芳基或杂环取代基。 式(1)的头孢菌素衍生物通过使式(7)的化合物与式(8)的化合物反应来制备。
    • 62. 发明公开
    • 인듐과 아연 금속을 이용한 세펨 유도체 및 이의 제조 방법
    • CEPHEM使用印度和锌的衍生物及其制备方法
    • KR1020000073205A
    • 2000-12-05
    • KR1019990016355
    • 1999-05-07
    • 한국과학기술연구원
    • 조용서최경일배애님고훈영장문호김유승이지은
    • C07D499/00
    • Y02P20/55
    • PURPOSE: A cephem derivative using indium and zinc and a preparation method thereof are provided. The cephem derivative is used as an intermediate in manufacturing beta-lactamase inhibiting agent and antibiotics CONSTITUTION: Cephem derivative as represented by formula(I) is prepared by reacting 7-oxo cephalosporin derivative as represented by formula(I'), allyl halide as represented by formula(II), acetylene halide as represented by formula(III), solvent in the presence of indium or zinc. In the formula (I): R1 is allyl derivative or acetylene derivative; R2 is hydrogen, carboxylic acid salt(sodium salt and potassium salt as inorganic salt, alkyl amine salt, aromatic amine salt as organic salt) or carboxy protecting group(4-methoxybenzyl, diphenylmethyl, 4-nitrobenzyl and useful thing as protecting group of molecule in penicillin or cephalosporin compound field); R3 is hydrogen, halogen, hydroxy or acetoxy group; and R4,R5,R6 are each hydrogen, methyl, ethyl, carboxylic acid or ester.
    • 目的:提供使用铟和锌的头孢烯衍生物及其制备方法。 头孢衍生物用作制造β-内酰胺酶抑制剂和抗生素的中间体构成:由式(I)表示的头孢烯衍生物通过如表达的式(I')表示的7-氧代头孢菌素衍生物,烯丙基卤化物 由式(II)表示的式(III)所示的炔酰卤,在铟或锌存在下的溶剂。 在式(I)中:R 1是烯丙基衍生物或乙炔衍生物; R2是氢,羧酸盐(钠盐和钾盐作为无机盐,烷基胺盐,作为有机盐的芳族胺盐)或羧基保护基(4-甲氧基苄基,二苯基甲基,4-硝基苄基和有用的物质作为分子保护基 在青霉素或头孢菌素化合物领域); R3是氢,卤素,羟基或乙酰氧基; 并且R 4,R 5,R 6各自为氢,甲基,乙基,羧酸或酯。