broad-spectrum antibiotic that has an important role in veterinary medicine, active against Gram-positive and a restricted range of Gram-negative bacteria. We synthesized 15 types of tylosin-related derivatives by chemical modification and evaluated them against mastitis pathogens. Among them, 20-deoxy-20-N-methyl-N-[1-(3-quinolyl)-1H-1,2,3-triazol-4-yl]methylamino}-5-O-mycaminosyltylonolide 2f and 20
泰乐菌素是一种16元的大环
内酯类广谱抗生素,在兽医学中具有重要作用,对革兰氏阳性菌有效,而革兰氏阴性菌的作用范围有限。我们通过
化学修饰合成了15种类型的
泰乐菌素相关衍
生物,并针对乳腺炎病原体对其进行了评估。其中,20-脱氧-20- N-甲基-N- [1-(3-
喹啉基)-
1H-1,2,3-三唑-4-基]甲基
氨基} -5-O-mycaminosyltylonolide 2f和20发现-脱氧-20- N-苄基-N- [1-(3-
喹啉基)-
1H-1,2,3-三唑-4-基]甲基
氨基} -5-O-mycaminosyltylonolide 2k不仅膨胀它们的抗菌作用不仅包括革兰氏阴性菌(如大肠杆菌和肺炎克雷伯菌),而且还保留或增强了对革兰氏阳性菌的抗菌活性,