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	1. Recent Advances in Organocatalytic Asymmetric Sulfa-Michael Reactions
	YANG Yuting,ZHU Bo,JIANG Zhiyong
	Chemistry 13 January 2014
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	Abstract:The chiral sulfur-containing compounds have many utilities in numerous important areas. In the context, the research on the asymmetric reactions to construct chiral sulfur-containing compounds is always hot area in asymmetric chemistry. This short review summarizes organocatalytic asymmetric sulfa-Michael reactions, which belong to the most important protocol to access chiral sulfur-containing compounds. Two synthetic strategies are discussed, including direct sulfa-Michael addition to various activated alkenes and sulfa-Michael-involved cascade reactions
	TO cite this article:YANG Yuting,ZHU Bo,JIANG Zhiyong. Recent Advances in Organocatalytic Asymmetric Sulfa-Michael Reactions[OL].[13 January 2014] http://en.paper.edu.cn/en_releasepaper/content/4582212


	2. Metalloporphyrazines annulated with tetrathiafulvalene: synthesis, photophysical and electrochemical properties
	Leng Fengshou,Zheng Ningjuan,Chen Tie,Kan Yuhe,Yin Bingzhu
	Chemistry 07 January 2014
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	Abstract:A series of metalloporphyrazines annulated with tetrathiafulvalenes, bearing eight electron-withdrawing alkoxy-carbonyl groups at the periphery, were synthesized via the cyclotetramerization of dialkyl 6,7-dicyanotetrathiafulvalene-2,3-dicarboxylate in the presence of corresponding metal salts in alkanol. All newly synthesized compounds showed typical electronic spectra of the metallo-porphyrazines, consisting of a strong and broad Q-band and a strong and sharp B-band. A theoretical study rationalized the transition nature for the Q-band absorption and supported the proposed intramolecular charge transfer interactions. From cyclic voltammetry, the energy levels values of HOMO and LUMO were estimated to be -5.03 to -5.30 eV and -3.50 to -3.60 eV, respectively, which satisfy the conditions required for the semiconductors used in the air-operable devices. The selected compunds (5a, 5c-5d) were efficiently incorporated into an organogel made of (1R, 2R)-trans-1,2-bis(dodecanoyl-amino)cyclohexane by means of multiple cooperative non-covalent interactions, and SEM revealed the formation of unique sheet-like nanostructures.
	TO cite this article:Leng Fengshou,Zheng Ningjuan,Chen Tie, et al. Metalloporphyrazines annulated with tetrathiafulvalene: synthesis, photophysical and electrochemical properties[OL].[ 7 January 2014] http://en.paper.edu.cn/en_releasepaper/content/4581014

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	3. Monopyrrolo-tetrathiafulvalene based low-molecular-mass organogel with multistimuli-responsive properties
	Liu Yucun,Zheng Ningjuan,Yin Bingzhu
	Chemistry 04 January 2014
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	Abstract:A new monopyrrolo-tetrathiafulvalene (monopyrrolo-TTF) based low molecular-mass organic gelators (LMOGs) was synthesized and characterized. The gelator could form a transparent organogel in cyclohexane, while it was soluble in aromatic, haloalkanes, THF, DMF, ethyl acetate, etc. when cooled after heating. And the gel has been thoroughly characterized by using various microscopic techniques including field-emission scanning electron microscopy (FE-SEM), Small-angle X-ray scattering (SAXS), UV-visible and Fourier Transform Infrared Spectroscopy (FT-IR). Also, the gelator reacted with tetracyano-p-quinodimethane (TCNQ) to form the charge-transfer (CT) complex binary organogel in cyclohexane. Experiments results indicated that the molecules arrangement in one- and two-components were rectangular and hexagonal columnar structure, which further stacked into microporous and fiber networks, respectively. Interestingly, the gel-sol transition could be reversibly tuned by chemical redox reaction, and trifluoro-acetic acid stimulation could also induce gel-sol transition, but it was irreversible by addition of triethylamine even heated or sonication. Therefore, the multi-responsive properties endowed the gel to be a favourable candidate for potential functional materials.
	TO cite this article:Liu Yucun,Zheng Ningjuan,Yin Bingzhu. Monopyrrolo-tetrathiafulvalene based low-molecular-mass organogel with multistimuli-responsive properties[OL].[ 4 January 2014] http://en.paper.edu.cn/en_releasepaper/content/4580552


	4. Tetracyclic Xanthone Derivatives via One-Pot Cascade Reaction
	YU Fuchao,ZHANG Qianqian,ZHANG Yichuan,YAN Shengjiao,LIN Jun
	Chemistry 08 May 2013
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	Abstract:A procedure for the synthesis of highly functional tetracyclic xanthone derivatives is described. A concise and efficient one-pot synthesis of structurally diverse tetracyclic xanthones was constructed by treating different types of heterocyclic ketene aminals with 3-formylchromone using catalytic Et3N in acetone at room temperature. The advantages of this method include high efficiency, mild reaction conditions and environmentally benign reagents. These xanthones are promising candidates for drug discovery. Consequently, a library of diverse tetracyclic xanthones was rapidly constructed using the present protocol and this concise process presented herein has great potential to be applied to parallel synthesis in drug discovery.
	TO cite this article:YU Fuchao,ZHANG Qianqian,ZHANG Yichuan, et al. Tetracyclic Xanthone Derivatives via One-Pot Cascade Reaction[OL].[ 8 May 2013] http://en.paper.edu.cn/en_releasepaper/content/4541813


	5. PALLADIUM NANOPARTICLES IMMOBILIZED ON POLY(VINYL CHLORIDE)-SUPPORTED BIDENTATE LIGANDS: AN EASILY PREPARED, AIR AND MOISTURE STATE CATALYST FOR SUZUKI-MIYAURA REACTION
	Chen Feiran,Huang Mingming,Zhou Bo,Liu Jie,Li Yiqun
	Chemistry 16 April 2013
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	Abstract:The Pd nanoparticles with narrow size distribution embedded on the polymer surface of poly(vinyl chloride)-supported an inexpensive and simple bidentate ligand 2-mercaptobenzothiazole (PVC-MBT) were achieved by a simple procedure applying the corresponding functionalized polymer and PdCl2 in the ethanol solution. The as-prepared catalyst (PVC-MBT-Pd(0)) was found to be air and moisture stable and exhibits significant catalytic activity for Suzuki-Miyaura reactions under milder operating conditions. The catalysts showed excellent activity towards Suzuki-Miyaura coupling reaction of different aryl iodides and bromides with phenyl boronic acid using ethanol as solvent in short reaction times. Furthermore, the catalyst can be easily recovered by simple filtration and reused for at least 5 cycles with comparable yields.
	TO cite this article:Chen Feiran,Huang Mingming,Zhou Bo, et al. PALLADIUM NANOPARTICLES IMMOBILIZED ON POLY(VINYL CHLORIDE)-SUPPORTED BIDENTATE LIGANDS: AN EASILY PREPARED, AIR AND MOISTURE STATE CATALYST FOR SUZUKI-MIYAURA REACTION[OL].[16 April 2013] http://en.paper.edu.cn/en_releasepaper/content/4538076


	6. A New Supramolecular Fluorescence Probe for Distinguishing waste oil by Determination of Dodecylbenzenesulfonic Anion
	Chen Genting,Huang Huarong
	Chemistry 06 April 2013
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	Abstract:Dodecylbenzenesulfonic anion (DBSA) is often found in waste oil, which indicates the possibility of distinguishing waste oil by determination of DBSA. For this purpose, a new supramolecular fluorescence sensor based on tris(thiourea) and 1,8-naphthanlimide derivative moieties was designed and synthesized. Fluorescence spectra of the sensor with addition of dodecylbenzenesulfonic anion showed evident fluorescence enhancement due to their PET quenching system triggered by host-guest hydrogen-bonding interaction, which demonstrated that a new method to distinguish waste oil with the tripodal sensor via fluorescence spectroscopy can be established. Through a series of experiments, this method was found to be simple, effective and practicable.
	TO cite this article:Chen Genting,Huang Huarong. A New Supramolecular Fluorescence Probe for Distinguishing waste oil by Determination of Dodecylbenzenesulfonic Anion[OL].[ 6 April 2013] http://en.paper.edu.cn/en_releasepaper/content/4536063


	7. Spectroscopic and Biological Studies of Phenanthroline Compounds: Selectively Recognize Gene Promoter G-quadruplex DNAs over Duplex DNA
	Wang Lihua,Wei Chunying
	Chemistry 14 December 2012
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	Abstract:G-quadruplex DNA formed in the promoter regions of proto-oncogenes would block the transcription process and eventually suppress the development of tumors, so compounds that stabilize G-quadruplex DNA are potential antitumor drugs. This paper studied interactions of three phenanthroline compounds a-c with proto-oncogene c-kit2 and c-myc G-quadruplex DNAs by means of polymerase chain reaction (PCR) stop assay, fluorescence resonance energy transfer melting (FRET melting) assay, fluorescence indicator displacement (FID) assay, UV-vis absorption, fluorescence and circular dichroism (CD) spectroscopies. Results showed that all three compounds presented selectivity for the G-quadruplex over duplex, with binding constants (Ka) for the both quadruplexes varied from 0.49 x 106 to 3.32 x 106 M-1 (4.1- to 33.2-fold specificity). Compounds a, b and c were potential stabilizers for the c-kit2 G-quadruplex with the melting temperature increase (ΔTm) values of 12-15 oC. CD spectra indicated that the three compounds disrupted the structures of c-kit2 G-quadruplex, whereas no significant change was observed for c-myc G-quadruaplex.
	TO cite this article:Wang Lihua,Wei Chunying. Spectroscopic and Biological Studies of Phenanthroline Compounds: Selectively Recognize Gene Promoter G-quadruplex DNAs over Duplex DNA[OL].[14 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4499807


	8. Optimization of the synthesis of hydroxyl camphorsulfonamide derivatives as chiral ligands in the enantioselective addition of aldehyde
	Xia Yamu*,Jiao Bin,Du Kangjian,Zhou Haitang
	Chemistry 23 March 2012
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	Abstract:The reaction conditions of the synthesis of hydroxycamphorsulfonamide derivatives, which have been proven to be useful chiral catalysts for enantioselective conjugate addition of dialkylzinc reagents to ketones, was discussed and optimized. The best results being obtained was using NaBH4 as reducing reagent, EtOH as solvent and the temperature at 0℃, what' more, larger substituents at N atom have better enantioselectivities and give higher product ratios. At last, some new types of chiral liands were synthesized.
	TO cite this article:Xia Yamu*,Jiao Bin,Du Kangjian, et al. Optimization of the synthesis of hydroxyl camphorsulfonamide derivatives as chiral ligands in the enantioselective addition of aldehyde[OL].[23 March 2012] http://en.paper.edu.cn/en_releasepaper/content/4471857


	9. Thermokinetic characterization of imipenem hydrolysis with metallo-β-lactamase CcrA from Bacteroides fragilis
	Zhai Le ,Yang Kewu ,Liu Chengcheng ,Gao Huizhou,Yang Xia,Shi Ying,Wen Jing
	Chemistry 26 December 2011
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	Abstract:Imipenem is a widely used carbapenem antibiotic clinically. In an effort to probe the antibiotic resistance in bacteria, we first report in this paper the thermokinetic parameters of the imipenem hydrolysis with B1 subclass metallo-β-lactamase CcrA from Bacteroides fragilis. The values of activation free energy are 87.540 ± 0.027, 88.781 ± 0.031, 89.901 ± 0.036, and 91.057 ± 0.021 kJomol-1 at 293.15, 298.15, 303.15, and 308.15 K, respectively, the activation enthalpy is 19.099 ± 0.005 kJomol-1, the activation entropy is -233.57 ± 0.09 Jomol-1oK-1 and the apparent activation energy E is 21.598 kJomol-1. The results indicated that the imipenem hydrolysis by CcrA was an exothermic and spontaneous reaction with order of 1.4 and had higher activation enthalpy and lower activation entropy than the cefazolin hydrolysis.
	TO cite this article:Zhai Le ,Yang Kewu ,Liu Chengcheng , et al. Thermokinetic characterization of imipenem hydrolysis with metallo-β-lactamase CcrA from Bacteroides fragilis[OL].[26 December 2011] http://en.paper.edu.cn/en_releasepaper/content/4457650


	10. TiCl4-Mediated Direct N-Alkylation of Sulfonamides with Inactive Ethers
	Chen Jiayan,Zeng Wei
	Chemistry 24 December 2011
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	Abstract:N-alkylsulfonamides is a class of biologically active compounds such as antibacterial, anticancer, antiviral functions, and many classical N-alkylsulfonamides synthetic methods which involved sulfonyl halides with amines, sulfonamide with alcohol were reported successively. In this paper, TiCl4-mediated intermolecular or intramolecular direct N-alkylation reaction of sulfonamides with inactive ethers as alkylating agents was successfully achieved, and the effects of sulfonamides substrate, the kinds of Lewis acid, solvents, reaction time and reaction temperature etc. on the N-Alkylation were systematically investigated. This method provides a novel approach to make N-alkylsulfonamides from inactive ethers via an easy work-up procedure, this is the first report N-alkylation of sulfonamides using inactive ethers as alkylating reagents.
	TO cite this article:Chen Jiayan,Zeng Wei. TiCl4-Mediated Direct N-Alkylation of Sulfonamides with Inactive Ethers[OL].[24 December 2011] http://en.paper.edu.cn/en_releasepaper/content/4457441

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