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	1. Synthesis and characterization of novel magnetic carrier with its composition of Fe3O4/carbon using hydrothermal reaction
	Wang Zhifei ,Guo Huishi,Yu Yinglei ,He Nongyue
	Chemistry 23 March 2006
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	Abstract:a simple method to prepare the novel magnetic carrier based on carbon matrix has been built by heating the aqueous solution of glucose and oleic acid stabilized Fe3O4 nanoparticle at 170 C for 3 h. The results show that the surface hydrophobic modification of Fe3O4 nanoparticle is necessary to the successful synthesis of Fe3O4/C nanocomposition, and a possible formation mechanism of Fe3O4/C nanocomposition was presented. The influence of the reaction parameters such as the concentration of oleic acid stabilized Fe3O4 nanoparticle, the reaction time, etc. on the product was also investigated. In the typical reaction (2.5 g/L of oleic acid-stabilized Fe3O4 nanoparticle, 0.5 M of glucose), Fe3O4/C nanocompositions with the average diameter in the range of 100-200 nm were obtained and its saturation is 12.4 emu/g. In order to characterize Fe3O4/C nanocompositions, XPS, XRD, FT-IR, and Mössbauer spectra were employed.
	TO cite this article:Wang Zhifei ,Guo Huishi,Yu Yinglei , et al. Synthesis and characterization of novel magnetic carrier with its composition of Fe3O4/carbon using hydrothermal reaction[OL].[23 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5877


	2. A Concise Asymmetric Total Synthesis of Obolactone
	Zhang Jiyong ,Li Yang ,Wang Wenkuan,She Xuegong ,Pan Xinfu
	Chemistry 09 March 2006
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	Abstract:The first efficient asymmetric synthesis of obolactone 1 has been accomplished.
	TO cite this article:Zhang Jiyong ,Li Yang ,Wang Wenkuan, et al. A Concise Asymmetric Total Synthesis of Obolactone[OL].[ 9 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5615

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	3. Application of surfactants in supercritical carbon dioxide
	Wang Fei,Zou Lizhuang,Wu Qicai,Chen Zhengzhong,Guo Yixin,Zhu Shuquan
	Chemistry 06 March 2006
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	Abstract:Liquid or supercritical carbon dioxide (sc-CO2) has attracted much interest as environmentally benign alternative for conventional organic solvents. However, low solubility in carbon dioxide, especially polar compounds, is a limitation to the wide practical application of sc-CO2. These solubility problems have been overcome by employing some specialised CO2-soluble surfactants to form reverse micelles or water-in-CO2 (w/c) microemulsions, which could accelerate the development of a broad range of CO2-based processes.
	TO cite this article:Wang Fei,Zou Lizhuang,Wu Qicai, et al. Application of surfactants in supercritical carbon dioxide[OL].[ 6 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5501


	4. Enantioselective total synthesis of Aigialomycin D
	Lu Jiangping ,Ma Junying ,Xie Xingang ,Chen Bo
	Chemistry 14 February 2006
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	Abstract:An efficient, convergent approach for the total synthesis of aigialomycin D (1) is described. Key features of the synthetic strategy include (a) Sharpless asymmetric epoxidation reaction and selective opening 2,3-epoxy alcohol to elaborate the two hydroxy-bearing stereogenic centers at C5’and C6’ position; (b) Kocienski modified Julia protocol to construct the two E-configured double bonds; (c) Yamaguchi macrolactonization to acccess the 14-membered macrocyclic ring.
	TO cite this article:Lu Jiangping ,Ma Junying ,Xie Xingang , et al. Enantioselective total synthesis of Aigialomycin D[OL].[14 February 2006] http://en.paper.edu.cn/en_releasepaper/content/5229


	5. Mechanism of Controlling Cross-linking Polymerization Progress
	Li Fangxing ,Sun Ruimin,Liu Dongping,Chen Jun
	Chemistry 17 January 2006
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	Abstract: A mechanism of controlling cross-linking polymerization process is reported in this paper. Chain propagation of cross-linking polymerization system designed in term of the mechanism is controlled, and soluble cross-linked macromolecules are successfully synthesized. The main content of the mechanism is that if there is a reaction that can compete with chain propagation of cross-linking process in a cross-linking polymerization and the reaction extent is enough high, the cross-linking polymerization is controllable. The meaning of controlled cross-linking process is that molecular chain grows limitably rather than illimitably. The characteristic random coil morphology of macromolecules in solution is the basis designing the controlled cross-linking polymerization, according to the morphology, a prepolymer containing two kinds of groups on its chain that can react with each other is synthesized firstly. In the polymerization, there are a pair of competitive reactions of intra- and intermolecular reactions that is a important factor controlling cross-linking process.
	TO cite this article:Li Fangxing ,Sun Ruimin,Liu Dongping, et al. Mechanism of Controlling Cross-linking Polymerization Progress[OL].[17 January 2006] http://en.paper.edu.cn/en_releasepaper/content/5018


	6. Effect of Concentration on Intra- and Intermolecular Reactions in Cross-linking polymerization Process
	Li Fangxing,Chen Jun ,Sun Ruimin ,Liu Dongping
	Chemistry 04 January 2006
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	Abstract:: Whether the ratio between intra- and inter-molecular reactions in controllable polymerization system changes when concentration alters is investigated in this paper, and it is strictly found that the ratio between intra- and inter-molecular reactions varies due to the alteration of concentration, which manifests that the intra- and inter-molecular reactions response quite differently to the same change of concentration since the two types of reaction belong to different reactive circumstance.
	TO cite this article:Li Fangxing,Chen Jun ,Sun Ruimin , et al. Effect of Concentration on Intra- and Intermolecular Reactions in Cross-linking polymerization Process[OL].[ 4 January 2006] http://en.paper.edu.cn/en_releasepaper/content/4845


	7. Influence of Material Ratio on Controlled Cross-linking Process
	Fangxing Li,Ruimin Sun,Jun Chen,Dongping Liu
	Chemistry 31 December 2005
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	Abstract:There exist intra- and intermolecular reactions in a controlled cross-linking system, and whether cross-linking process and molecular weight of product can be controlled depends on the two reactions. Soluble cross-linked macromolecule is synthesized by changing material ratio resulting in that the number of intermolecular reaction is controlled to a certain extent and molecular weight can’t increase illimitably. Though material ratio is a common chemical reaction condition, it has been proved that it can influence and control chain growth in cross-linking process in the paper.
	TO cite this article:Fangxing Li,Ruimin Sun,Jun Chen, et al. Influence of Material Ratio on Controlled Cross-linking Process[OL].[31 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4819


	8. Effect of Catalyst on Intra- and Inter-molecular Reactions in Controlled Polymerization System
	Fangxing Li,Ruimin Sun jun,Chen,Dongping Liu
	Chemistry 31 December 2005
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	Abstract:Effect of catalyst on intra- and inter-molecular reaction rates in controlled polymerization system is investigated in this paper, and it has been found that inter-molecular reaction rate will increase more obviously when the catalyst is added, which indicates that catalyst is a vital factor in controlling cross-linking process.
	TO cite this article:Fangxing Li,Ruimin Sun jun,Chen, et al. Effect of Catalyst on Intra- and Inter-molecular Reactions in Controlled Polymerization System[OL].[31 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4807


	9. Large-scale Synthesis and Optical Properties of Hexagonal GaN Micropyramid/Nanowire Homostructures
	Xu Xiang,Chuanbao Cao,Yajie Xu,Hesun Zhu
	Chemistry 23 December 2005
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	Abstract:The free-standing, hexagonal GaN micropyramid/nanowire homostructures have been successfully synthesized in a large scale by a facile carbon-assisted thermal reduction route. The product was investigated using SEM, XRD, TEM, EDS, SAED, Raman and PL. The pyramids have lengths of 5~8 μm, and the maximal lateral size of 2~3μm, exhibiting the growth characteristic of hexagonal crystal along c-axis. A single nanowire is grown out from the end tip of the pyramid along <0001> growth direction, indicating its epitaxial relationship with the pyramid. Raman studies reveal the characteristics of the hexagonal structure and high-crystallinity of the product. The room temperature PL spectrum displays strong band-edge emission centered at 372nm. The slight redshift originates from N vacancies caused by Ga-rich growth conditions. The formation mechanism was also discussed. The unique micro/nano structures are good entities for the investigation of fundamental physical phenomenon and also as building blocks for functional nanodevices.
	TO cite this article:Xu Xiang,Chuanbao Cao,Yajie Xu, et al. Large-scale Synthesis and Optical Properties of Hexagonal GaN Micropyramid/Nanowire Homostructures[OL].[23 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4603


	10. QSAR Studies on 7-substituted Fluoroquinolones
	Ju-Li Xu,Shu-Lin Gao,Xiang-Fei Zhang,Yi-Ping Xie,Xiao-Hong Huang,Xiao-Guang Xie
	Chemistry 23 December 2005
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	Abstract:The PM3 and B3LYP methods were employed to calculate a number of molecular properties of 7-substituted fluoroquinolones. The correlation between biological activity (against gram-positive organisms or gram-negative organisms) and structural properties was obtained by using the multiple linear regression (MLR) methods. The best model generated correlates the antibacterial activity with EHOMO and QF8 for gram-positive organisms, and EHOMO and dipole moment for gram-negative organisms, respectively.
	TO cite this article:Ju-Li Xu,Shu-Lin Gao,Xiang-Fei Zhang, et al. QSAR Studies on 7-substituted Fluoroquinolones[OL].[23 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4601

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