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    • 46. 发明授权
    • β-lactam compounds and process for producing the same
    • β-内酰胺化合物及其制备方法
    • US07163936B2
    • 2007-01-16
    • US10416334
    • 2001-11-06
    • Makoto SunagawaKatsumi KubotaMasanori ItohErwin Goetschi
    • Makoto SunagawaKatsumi KubotaMasanori ItohErwin Goetschi
    • A61K31/40C07D487/04
    • C07D477/20C07D477/06
    • 1. A β-lactam compound of the formula [1]; wherein R1 is a lower alkyl, a lower alkyl substituted by a hydroxy; R2 is a hydrogen, a lower alkyl; X is O, S, NH; m and n are 0 to 4, Y1 is a halogen, cyano, a hydroxy, an amino, a lower alkyloxy, a lower alkylamino, a carboxy, a carbamoyl, a lower alkyl, etc., Y2 is hydrogen, an alkyl, cyano, —C(R3)═NR4 (wherein R3 and R4 are hydrogen, an amino, an alkyl, etc., or R3 and R4 may combine each other together with the nitrogen atom to form a 5- to 7-membered heterocyclic group), or a pharmaceutically acceptable salt thereof, or a non-toxic ester thereof, which has an excellent antibacterial activity against Gram-positive bacteria, especially against MRSA and MRCNS.
    • 1.式[1]的β-内酰胺化合物; 其中R 1是低级烷基,被羟基取代的低级烷基; R 2是氢,低级烷基; X是O,S,NH; m和n为0〜4,Y 1为卤素,氰基,羟基,氨基,低级烷氧基,低级烷基氨基,羧基,氨基甲酰基,低级烷基等, Y 2是氢,烷基,氰基,-C(R 3) - NR 4(其中R 3 O) >和R 4是氢,氨基,烷基等,或R 3和R 4可以彼此结合, 氮原子形成5-至7-元杂环基)或其药学上可接受的盐或其无毒性酯,其对革兰氏阳性细菌,特别是抗MRSA和MRCNS具有优异的抗菌活性。