摘要:
Cephalosporin antibiotics having a 3-position substituent of the formula: -CH₂NR¹-Y-A-Z-Q are described, wherein R¹ is hydrogen or certain optionally substituted alkyl groups; Y is -CO- or -SO₂-; A is optionally substituted phenylene or heterocyclylene; Z is a linking group and Q is a catechol or related ring system. Processes for their preparation and use are described.
摘要:
Cephalosporin antibiotics having a 3-position substituent of the formula: -CH₂NR¹-Y-A-Z-Q are described, wherein R¹ is hydrogen or certain optionally substituted alkyl groups; Y is -CO- or -SO₂-; A is optionally substituted phenylene or heterocyclylene; Z is a linking group and Q is a catechol or related ring system. Processes for their preparation and use are described.