申请人:Bristol-Myers Company
公开号:US03985740A1
公开(公告)日:1976-10-12
7-[D-(.alpha.-Amino-.alpha.-phenyl-, 2-thienyl- and 3-thienylacetamido)]-3-(thiazol-2-yl)carbonylthiomethyl-3-cephem-4-carboxy lic acid and 7-[D-(.alpha.-amino-.alpha.-phenyl-, 2-thienyl- and 3-thienylacetamido)]-3-(5-methylthiazol-2-yl)carbonylthiomethyl-3-cephem-4 -carboxylic acid and their pharmaceutically acceptable salts are valuable as antibacterial agents, as nutritional supplements in animal feeds, as agents for the treatment of mastitis in cattle and as therapeutic agents in poultry and animals, including man. The compounds are especially useful in the treatment, particularly by oral administration, of infectious diseases caused by many Gram-positive and Gram-negative bacteria. Also included within the invention are easily cleavable esters of the above acids and pharmaceutically acceptable acid addition salts of said esters.
7-[D-(.alpha.-氨基-.alpha.-苯基-, 2-噻吩基-和3-噻吩基乙酰胺)]-3-(噻唑-2-基)羰基硫甲基-3-头孢烯-4-羧酸和7-[D-(.alpha.-氨基-.alpha.-苯基-, 2-噻吩基-和3-噻吩基乙酰胺)]-3-(5-甲基噻唑-2-基)羰基硫甲基-3-头孢烯-4-羧酸及其药学上可接受的盐,作为抗菌剂,作为动物饲料中的营养补充剂,作为治疗牛乳腺炎的剂和作为家禽和动物,包括人类的治疗剂,这些化合物特别适用于通过口服治疗由许多革兰氏阳性和阴性细菌引起的感染性疾病。发明还包括上述酸的易于水解的酯和药学上可接受的酸加成盐。