Synthesis, stereochemistry and antimicrobial studies of novel oxime ethers of aza/diazabicycles
作者:Paramasivam Parthiban、Gopalakrishnan Aridoss、Paramasivam Rathika、Venkatachalam Ramkumar、Senthamaraikannan Kabilan
DOI:10.1016/j.bmcl.2009.10.042
日期:2009.12
Two series of bicyclic oxime ethers viz, 2,4-diaryl-3-azabicyclo[3.3.1]nonan-9-one O-benzyloximes 13–24 and 2,4,6,8-tetraaryl-3,7-diazabicyclo[3.3.1]nonan-9-one O-benzyloximes 31–36 were synthesized and stereochemistry was established by their spectral (1D and 2D NMR) and crystal studies. Synthesized oxime ethers were screened for their in vitro antimicrobial activity against a set of pathogenic bacteria
两个系列的双环的肟醚即,2,4-二芳基-3-氮杂双环[3.3.1]壬-9-酮ö -benzyloximes 13 - 24和2,4,6,8-四芳基-3,7-二氮杂二环[ 3.3.1]合成了壬酮9-一O-苄基肟31 – 36,并通过其光谱(1D和2D NMR)和晶体研究建立了立体化学。合成的肟醚筛选了在体外对一组病原细菌(抗微生物活性铜绿假单胞菌,金黄色葡萄球菌,伤寒沙门氏菌,大肠杆菌和肺炎克雷伯菌)和真菌(白色念珠菌(Candida-51,Rhizopus sp。,Niger and niperterillus flavus)分别通过环丙沙星和两性霉素B的两倍连续稀释法稀释。大部分分子的表达有前途的抗微生物轮廓抵靠测试的病原体和甚至几化合物16,21,22,33和34比标准药物均更好。