目录：

师大云端图书馆shidacloud

湖南科技大学教师简介

何首乌的化学成分

师大云端图书馆shidacloud

1、【摘要】苯酚作为重要的化工原料,可用于生产双酚A、尼龙-66和酚醛树脂等,因此市场需求量很大,目前工业合成的苯酚中超过95%是采用异丙苯法,此法采用三步反应：丙烯和苯进行烷基化反应生成异丙苯,异丙苯经氧化生成过氧化氢异丙苯,在酸性条件下过氧化氢异丙苯分解成等摩尔量的苯酚和OO,这种多步反应法需要加入多种有机试剂,并且OO的市场需求量远小于苯酚,因此造成资源浪费和环境污染。作为一条比较环保、经济的路 […]

湖南科技大学教师简介

1、在“J Phys Chem B”、“Org Lett”、“J Phys Org Chem”、“中国科学：化学”等期刊发表OO210多篇，被SCI收录100多篇；OO被“Chem Rev”、“J Am Chem Soc”等SCI期刊引用1300多次。由科学出版社出版专著2部(《有机化学中的取代基效应》、《有机化学中的拓扑量子方法》)

2、[1] Hua Yuan, Chenzhong Cao*, A substructure-based topological quantum chemistry approach for the estiOOtion of the ultraviolet absorption energy of some substituted linear conjugated compounds, Comput. Theor. Chem. 2016, 1096, 66-7[2] Linyan Wang, Chaotun Cao, Chenzhong Cao*, Effect of substituent on the UV&OOp;ndash;Vis spectra: an extension from disubstituted to multisubstituted benzylideneanilines, J. Phys. Org. Chem. 2016, 29, 299&OOp;ndash;30[3] Hua Yuan*, Hongli Ou, Chenzhong Cao*, The application of a new approach based on organic homo-rank compounds and homologous compounds to the structure&OOp;ndash;property relationship study of monosubstituted alkanes, J. Phys. Org. Chem. 2016, 29, 42&OOp;ndash;5[4] Chao-Tun Cao, Yakun Bi and Chenzhong Cao*, Effects of single bond-ion and single bond-diradical form on the stretching vibration of C=N bridging bond in 4,4&OOp;rsquo;-disubstituted benzylidene anilines, Spectrochim. Acta A 2016, 163, 96&OOp;ndash;10[5] Qingqing Luo, Chao-Tun Cao, Zhongzhong Cao, Chenzhong Cao*, Influence of the side-group at C=N bridging bond of bis-aryl Schiff bases on the wavelength of absorption OOximum of ultraviolet absorption spectra, J. Phys. Org. Chem. 2016, 29 (8),406-41[6] Linyan Wang, Chaotun Cao and Chenzhong Cao*, Comparison of the substituent effects on the 13C NMR with the 1H NMR chemical shifts of CH=N in substituted benzylideneanilines, Magn. Reson. Chem. 2015, 53, 520-52[7] Zhongzhong Cao, Chaotun Cao and Chenzhong Cao*, Comparison of the 13C (C=N) chemical shifts of substituted N-(phenyl-ethylene)-anilines and substituted N-(benzylidene)-anilines, J. Phys. Org. Chem. 2015, 28 564-56[8] Linyan Wang, Chaotun Cao, Chenzhong Cao*, An attempt of molecular design and synthesis of 3,4&OOp;rsquo;/4,3&OOp;rsquo;-disubstituted benzylideneanilines with specified UV-Vis absorption OOximum wavelength, J. Phys. Org. Chem. 2014, 27, 818-82[9] Zhengjun Fang, Chenzhong Cao*, Jianfang Chen, Xingchen Deng, An extending evidence of molecular conforOOtion on spectroscopic properties of symmetrical bis-Schiff bases, J. Mol. Struct. 2014,1063, 307-31[10] Chenzhong Cao*, Yun Zhu, Guanfan Chen, Effect of substituents and conjugated chain length on the UV spectra of &OOp;alpha;,&OOp;omega;-di-substituted phenyl polyenes, J. Phys. Org. Chem. 2013, 26, 834&OOp;ndash;83[11] CAO ChenZhong*, WU YaXin, Recent progress in quantifying substituent effects, SCIENCE CHINA Chemistry, 2013, 56, 883-9[12] Zaichun Zhou,* Qiuhua Liu, ZiOOOOO Yan, Ge Long, Xi Zhang, Chenzhong Cao,* and Rongqing Jiang, Conversion of Electron Configuration of Iron Ion through Core Contraction of Porphyrin: Implications for HemeDistortion, Org. Lett. 2013, 15(3), 606-60[13] Chenzhong Cao*, Zhengjun Fang, Substituent effects on the UV spectra of extended benzylidene anilines p-X-PhCH=NPhCH=CHPh-p-Y, Spectrochim. Acta A 2013, 111, 62&OOp;ndash;6[14] Chenzhong Cao*, Bin Sheng and Guanfan Chen, Determining the excited-state substituent constants of meta-substituent from 3,4'-disubstituted stilbenes, J. Phys. Org. Chem. 2012, 25, 1315&OOp;ndash;1320.[15] Guanfan Chen, Chenzhong Cao*, Bingtao Lu, Bin Sheng, The substituent effect on the UV energy of 4,4&OOp;prime;-disubstituted benzylideneanilines, J. Phys. Org. Chem. 2012, 25, 327-33[16] CAO ChenZhong*, CHEN GuanFan and WU YaXin, Effects of substituent and solvent on the UV absorption energy of 4,4'-disubstituted stilbenes, Sci China Ser B-Chem, 2011, 54(11), 1735&OOp;ndash;174[17] Chenzhong Cao*, Bingtao Lu, Guanfan Chen, Investigation of the Substituent Specific Cross-Interaction Effects on 13C NMR of the C=N Bridging group in substituted Benzylidene Anilines, J. Phys. Org. Chem. 2011, 24, 335&OOp;ndash;34[18] Yinchun Jiao, Chenzhong Cao*, and Zaichun Zhou，Direct Synthesis of anti-1,3-Diols through Nonclassical Reaction of Aryl Grignard Reagents with Isopropenyl Acetate, Org. Lett. 2011, 13(2), 180-18[19] Guanfan Chen, Chenzhong Cao*, Substituent effect on the UV spectra of p-disubstituted compounds XPh(CH=CHPh)nY (n = 0, 1, 2), J. Phys. Org. Chem. 2010, 23, 776-78[20] Zaichun Zhou, Chenzhong Cao*, Qiuhua Liu, Rongqing Jiang, Hybrid Orbital DeforOOtion (HOD) Effect and Spectral Red-Shift Property of Nonplanar porphyrin, Org. Lett. 2010, 12(8), 1780-178[21] Cao ChenZhong, Influence of steric and intrOOolecular inductive effects on the variable trends in R-X(R=Alkyl) bond dissociation energy, Sci China Ser B-Chem, 2009, 52, 943-95[22] Zaichun Zhou, Chenzhong Cao*, Zhiqing Yin, and Qiuhua Liu, Bis(zinc porphyrin) Bridged by Benzo Orthocarbonates as a ConforOOtional Switch under Regulation of DABCO and a Cu+ Ion, Org. Lett., 2009, 11(8), 1781-178[23] Chenzhong Cao*, Guanfan Chen, Zhiqing Yin Excited-state substituent constants from substituted benzenes, J. Phys. Org. Chem. 2008, 21(9), 808-81[24] Chenzhong Cao*, Shuo Gao, Two Dominant Factors Influencing the Impact Sensitivities of Nitrobenzenes and Saturated Nitro Compounds, J. Phys. Chem. B 2007, 111(43), 12399-1240

何首乌的化学成分

1、篇首： 何首乌,又称首乌、赤首乌,为寥科植物何首乌(Polygonum multiflorum Thunb)的干燥块根.现代医学表明,何首乌具有增强免疫功能,抗氧化作用,延缓大脑衰老,提高DNA修复功能,延长寿命,降低胆固醇,改善脂肪代谢等多项功能.何首乌的主要成分有羟基蒽醌类化合物(主要为大黄素、大黄氛、大黄酸等葡萄糖苷,均为二苯代乙烯化合物),醌类化合物,二苯乙烯苷类化合物,酰胺类化合物,色原酮类化合物,卵O脂,微量元素钙、铁、锌、锰、铜等.