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    7β-아미노-3-[3-(4-치환된 테트라졸린-5-티온-1-일)프로펜-1-일]-3-세펨-4-카르복실산 유도체 및 그 제조방법
    4.
    发明授权
    7β-아미노-3-[3-(4-치환된 테트라졸린-5-티온-1-일)프로펜-1-일]-3-세펨-4-카르복실산 유도체 및 그 제조방법 失效
    CEPHEM-4-羧酸衍生物

    公开(公告)号：KR1019930007261B1

    公开(公告)日：1993-08-04

    申请号：KR1019910006288

    申请日：1991-04-19

    Applicant: 한국과학기술연구원

    Inventor： 장문호 ,  강한영 ,  고훈영 ,  배애님 ,  김현미 ,  고성희

    IPC: C07D501/24

    CPC classification number: C07D257/04 ,  C07D501/00

    Abstract: The cephene-4-carboxylic acid deriv. of formula (I) is prepd. by reacting an aldehyde cpd. of formula (II) with a phosphonium salt of formula (III) in the presence of a base and a solvent at 0-30 deg.C. In the formulas, R1 is methyl, ethyl, propyl, phenyl or benzyl; R2 is p-methoxy benzyl, diphenyl methyl or allyl; R3 is H, t- butoxy carbonyl or phenyl acetyl; R4 is H, t-butoxy carbonyl, formyl or phenyl acetyl. The solvent is pref. water, dichloromethane, ethylether and/or tetrahydrofurane. The deriv. of (I) is useful for antibiotics.

    Abstract translation: 环丙烷-4-羧酸衍生物。 式（I）的化合物是制备的。 通过使醛cpd反应。 式（II）的化合物与式（III）的鏻盐在碱和溶剂的存在下在0-30℃下反应。 式中R1是甲基，乙基，丙基，苯基或苄基; R2是对甲氧基苄基，二苯基甲基或烯丙基; R3是H，叔丁氧基羰基或苯基乙酰基; R4是H，叔丁氧基羰基，甲酰基或苯基乙酰基。 溶剂优先。 水，二氯甲烷，乙醚和/或四氢呋喃。 衍生。 （I）可用于抗生素。

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