申请人:Parke, Davis & Company
公开号:US03948903A1
公开(公告)日:1976-04-06
Novel organic amide compounds which are substituted N-(1,2-dihydro-2-oxonicotinyl)-ampicillins, -cephalexins and -cephaloglycins having broad spectrum antibacterial utility are provided by (a) reacting the free amino acid ampicillin, cephalexin or cephaloglycin or the acid salt or silylated derivative thereof with a reactive derivative of the corresponding 1,2-dihydro-2-oxonicotinic acid or (b) reacting the free amino acid 6-aminopenicillanic acid, 7-aminocephalosporanic acid or 7-amino-3-methylceph-3-em-4-carboxylic acid or the acid salt or silylated derivative thereof with a reactive derivative of the corresponding N-(1,2-dihydro-2-oxonicotinyl)-2-phenylglycine.
新型有机酰胺化合物,其为取代的N-(1,2-二氢-2-氧基烟酸基)-氨苄青霉素、头孢氨苄和头孢甘露醇,具有广谱抗菌作用,通过(a)将游离氨基酸氨苄青霉素、头孢氨苄或头孢甘露醇或其酸盐或硅烷衍生物与相应的1,2-二氢-2-氧基烟酸的反应衍生物反应,或(b)将游离氨基酸6-氨基青霉素酸、7-氨基头孢菌素酸或7-氨基-3-甲基头孢-3-烯-4-羧酸或其酸盐或硅烷衍生物与相应的N-(1,2-二氢-2-氧基烟酸基)-2-苯基甘氨酸的反应衍生物反应。