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    • 65. 发明授权
    • Cephem compounds
    • 头孢烯化合物
    • US4521413A
    • 1985-06-04
    • US414471
    • 1982-09-02
    • Tsutomu TerajiKazuo SakaneJiro Goto
    • Tsutomu TerajiKazuo SakaneJiro Goto
    • C07C257/14C07D213/30C07D213/32C07D213/68C07D213/70C07D213/74C07D285/08C07D401/12C07D501/20C07D501/46C07D501/38A61K31/545
    • C07D213/30C07D213/32C07D213/68C07D213/70C07D213/74C07D285/08C07D401/12Y02P20/55
    • The invention relates to cephem compounds of high antimicrobial activity, of the formula: ##STR1## wherein R.sup.1 is amino or a protected amino group;R.sup.2 is lower alkyl which may be substituted with one carboxy, lower alkenyl, lower alkynyl, cyclo (lower) alkyl or cyclo (lower) alkenyl;R.sup.3 is lower alkylamino, N-(lower) alkanoyl (lower) alkylamino, di (lower) alkylamino, sulfo (lower) alkylamino, hydroxy (lower) alkylamino, N-(lower) alkanoylhydroxy (lower) alkylamino, alkanoyloxy (lower) alkyl, alkenoyloxy (lower) alkyl, lower alkoxy (lower) alkoxy (lower) alkyl, di (lower) alkylamino (lower) alkyl, lower alkylthio (lower) alkyl, lower alkylthio, lower alkoxy, lower alkoxy (lower) alkoxy, hydroxy (lower) alkoxy, lower alkanesulfonyl (lower) alkyl, hydroxy (lower) alkylthio, di (lower) alkylamino (lower) alkylthio, tetrazolyl, tetrazolylthio, tetrazolylthio (lower) alkyl or dihydrotriazinylthio (lower) alkyl substituted with oxo, hydroxy and lower alkyl; andR.sup.4 is hydrogen or lower alkyl; and pharmaceutically acceptable salts thereof.
    • 本发明涉及高抗微生物活性的头孢烯化合物,其具有下式:其中R1是氨基或被保护的氨基; R2是可被一个羧基,低级烯基,低级炔基,环(低级)烷基或环(低级)烯基取代的低级烷基; R3是低级烷基氨基,N-(低级)烷酰基(低级)烷基氨基,二(低级)烷基氨基,磺基(低级)烷基氨基,羟基(低级)烷基氨基,N-(低级)烷酰基羟基(低级)烷基氨基,烷酰氧基(低级)烷基 ,低级烷氧基(低级)烷基,低级烷氧基(低级)烷基,低级烷基氨基(低级)烷基,低级烷硫基(低级)烷基,低级烷硫基,低级烷氧基,低级烷氧基 低级烷基磺酰基(低级)烷基,羟基(低级)烷硫基,二(低级)烷基氨基(低级)烷硫基,四唑基,四唑基硫代,被氧代取代的四唑基硫基(低级)烷基或二氢三嗪基硫代(低级) ; R4为氢或低级烷基; 及其药学上可接受的盐。