The present invention relates to antibiotic compounds of formula (I), to compositions containing these compounds and to methods of treating bacterial diseases and infections using the compounds. The compounds find application in the treatment of infection with, and diseases caused by, Gram-positive and/or Gram-negative bacteria, and in particular in the treatment of infection with, and diseases caused by, Neisseria gonorrhoeae.
A method to synthesize 2-methylbenzoxazoles directly from N-phenylacetamides catalyzed by Pd(OAc)2 in the presence of K2S2O8 and TfOH has been developed. The desired products were obtained in moderate to excellent yields. This approach provides a facile procedure to prepare benzoxazoles with available substrates. It is found that TfOH is the key factor for this cyclization reaction. A plausible mechanism
已经开发了一种在K 2 S 2 O 8和TfOH存在下,由Pd(OAc)2催化的N-苯基乙酰胺直接合成2-甲基苯并恶唑的方法。以中等至优异的产率获得了所需的产物。这种方法提供了一种简便的方法来制备具有可用底物的苯并恶唑。发现TfOH是该环化反应的关键因素。根据控制反应和文献,提出了合理的反应机理。