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Title:
NEW CEPHALOSPORIN CONTAINING SUBSTITUTED BENZYLOXIMINO GROUP AT 7-POSITION, ITS PREPARATION AND ITS USE AS PHARMACEUTICALS
Document Type and Number:
Japanese Patent JP2670954
Kind Code:
B2
Abstract:

PURPOSE: To provide the new compound which has excellent antibacterial activity to penicillin-resistant staphylococci and is useful as antibiotics.
CONSTITUTION: The compound of formula I [R1-R3, R5 are each H, halogen, hydroxyl, 1-4C alkyl or the like; R4 is hydroxyl or 1-8C alkyloxy; A, A' are each H, alkali or alkaline earth metal, Mg, amino-containing organic base or the like; R6 is quinolinium, 4-(methylthio)pyridinium or the like], e.g. an internal salt of [6R-[3(E),-6α,7β(Z)]]-1-[3-[7-[[2-amino-4-thiazolyl] [[carboxy-(2,3- difluoro-4,5dihydroxyphenyl) methoxylimino] acetyl]amino]-2-carboxy-8-oxo5- thiano-azabicyclo[4,2,0]-2-octene-3-yl]-2-propenyl:]imidazo[1,2-a]pyridinuim, is obtained by eliminating the protective group from the compound of formula II.


Inventors:
Aszodi, Jozsef
Chantot, Jean-francois
Fauveau, Patrick
Gouin, Ambrieres Solange D.
Humbert, Daniel
Application Number:
JP1992000352801
Publication Date:
October 29, 1997
Filing Date:
December 14, 1992
Export Citation:
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Assignee:
Roussel, Uclaf
International Classes:
A61K31/545; A61K31/546; A61P31/04; C07C45/63; C07C45/67; C07C45/71; C07C47/565; C07C47/575; C07C59/48; C07C59/64; C07C69/734; C07C205/44; C07C229/40; C07C239/08; C07C239/20; C07C255/56; C07C255/57; C07C291/02; C07C311/27; C07C311/35; C07C323/52; C07C323/56; C07D277/20; C07D277/40; C07D277/42; C07D501/00; C07D501/04; C07D501/06; C07D501/24; C07D501/46; C07D501/56; C07D519/06; (IPC1-7): C07D501/24; A61K31/545; C07C229/40; C07C255/57; C07C291/02; C07C311/27; C07C323/56; C07D277/42; C07D519/06
Domestic Patent References:
JP4230289A
JP4261185A
Foreign References:
Other References:
J.ANTIBIOTICS(1988)VOL.41,NO.3,P.377−391
Attorney, Agent or Firm:
倉内 基弘 (外1名)