Synthesis and structure–activity relationships of novel lincomycin derivatives. Part 1. Newly generated antibacterial activities against Gram-positive bacteria with erm gene by C-7 modification
作者:Yoshinari Wakiyama、Ko Kumura、Eijiro Umemura、Kazutaka Ueda、Satomi Masaki、Megumi Kumura、Hideki Fushimi、Keiichi Ajito
DOI:10.1038/ja.2015.119
日期:2016.5
7(S)-7-deoxy-7-arylthiolincomycin derivatives possessing a heterocyclic ring at the C-7 position via sulfur atom by either Mitsunobu reaction of 2,3,4-tris-O-(trimethylsiliyl)lincomycin or SN2 reaction of 7-O-methanesulfonyl-2,3,4-tri-O-trimethylsiliyllincomycin. As a result, 7(S)-7-deoxy-7-arylthiolincomycin derivatives 16, 21 and 27 exhibited antibacterial activities against respiratory infection-related
我们通过2,3,4-tris-O-(trimethylsiliyl)lincomycin的Mitsunobu反应或SN2反应合成了通过硫原子在C-7位具有杂环的7(S)-7-脱氧-7-芳基硫代林霉素衍生物7-O-甲磺酰基-2,3,4-三-O-三甲基硅烷基林可霉素。结果,尽管克林霉素对那些病原体没有任何活性,但是7(S)-7-脱氧-7-芳基硫代林可霉素衍生物16、21和27对具有erm基因的呼吸道感染相关的革兰氏阳性细菌表现出抗菌活性。此外,从在7位的16(S-构型)和30(R-构型)的构型的比较结果,发现林可霉素衍生物的7(S)构型对于增强抗菌活性是必要的。