Synthesis and Microbial Evaluation of Versatile Base Catalyzed Chiral Tetrahydrobenzofuran Derivatives via Multicomponent Reaction
作者:Khushal Kapadiya、Rohit Kotadiya、Kishor Kavadia、Ramesh Kothari、Krunal Mehariya、Ranjan Khunt
DOI:10.2174/1570180812666150914220727
日期:2016.6.18
One-pot reaction of aromatic aldehydes, various phenacyl bromide and dimedone gives corresponding substituted benzofurans in economically affordable yields with stereo specificity at 2nd and 3rd position via formation of substituted pyridinium ylides. Newly synthesized compounds were characterized by different spectral techniques such as IR, 1H NMR, 13C NMR and Mass spectrometry. Furthermore, the structure
有效制备3-(取代的苯基)-6,6-二甲基-2-(取代的苯基羰基)-3,5,6,7-四氢-1-苯并呋喃-4(2H)-的碱催化顺序一锅法已经描述了一种衍生物。芳族醛,各种苯甲酰甲基溴和双甲酮的一釜反应得到在2相应取代的苯并呋喃与立体声特异性经济适用产量ND和3次通过形成取代的吡啶鎓叶立德位置。通过不同的光谱技术(例如IR,1 H NMR,13)表征了新合成的化合物13 C NMR和质谱。此外,化合物4f的结构通过X射线晶体学明确分配。所有合成的化合物均经过一系列细菌致病菌株的体外抗菌筛选,以评估其作为MIC的功效。发现某些化合物比市售抗生素对某些活性菌株具有同等效力或超强效力。