Synthesis, spectral studies and antimicrobial activities of some 2-naphthyl pyrazoline derivatives
作者:S.P. Sakthinathan、G. Vanangamudi、G. Thirunarayanan
DOI:10.1016/j.saa.2012.04.082
日期:2012.9
series of 2-naphthyl pyrazolines were synthesized by the cyclization of 2-naphthyl chalcones and phenylhydrazine hydrochloride in the presence of sodium acetate. The yields of pyrazoline derivatives are more than 80%. The synthesized pyrazolines were characterized by their physical constants, IR, 1H, 13C and MS spectra. From the IR and NMR spectra the CN (cm−1) stretches, the pyrazoline ring proton chemical
在乙酸钠存在下,通过2-萘基查耳酮和盐酸苯肼的环合反应,合成了一系列2-萘基吡唑啉。吡唑啉衍生物的产率超过80%。合成的吡唑啉通过其物理常数,IR,1 H,13 C和MS光谱进行表征。从IR和NMR光谱可知C N(cm -1)拉伸,吡唑啉环质子化学位移(ppm)δH一种,H b和H Ç和也的碳的化学位移(ppm)δ Ç N被用哈米特取代基常数,相关˚F和- [R ,以及使用单和多回归分析斯温-拉普顿的参数。根据线性回归分析的结果,可以预测取代基对群频率的影响。已经研究了所有合成的吡唑啉的抗菌活性。