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  CCL
2009 20( 12)  Published: 20 December 2009
 
Article
Synthesis of new chiral 1,2,3,4-tertrahydroisoquinoline β-amino alcohol for asymmetric diethylzinc addition to aryl aldehydes (I)
Geng Xu, Zhan Zhu Liu
CCL 2009 Vol. 20 (12): 1393-1396   DOI:10.1016/j.cclet.2009.06.040
Abstract |  PDF (288 KB)  ( 34 ) | HTML ( )
A practical synthesis of trifluorophenyl R-amino acid:The key precursor for the new anti-diabetic drug sitagliptin
Li Li Zeng, Ying Jie Ding, Gui Cheng Zhang, Hong Rui Song, Wen Hui Hu
CCL 2009 Vol. 20 (12): 1397-1399   DOI:10.1016/j.cclet.2009.06.036
Abstract |  PDF (257 KB)  ( 37 ) | HTML ( )
Baeyer-Villiger oxidation of cyclic ketones utilizing potassium peroxydisulfate (K2S2O8) or sodium perborate (NaBO3)in acidic media
S.Zarrabi, N.O.Mahmoodi K.Tabatabaeian, M.A.Zanjanchi
CCL 2009 Vol. 20 (12): 1400-1404   DOI:10.1016/j.cclet.2009.07.007
Abstract |  PDF (583 KB)  ( 39 ) | HTML ( )
Microwave-promoted solvent-free synthesis of N-(diphenylmethylene)glycine alkyl esters
Quan Jun Wang, Wei He, Qiao Feng Wang, Xin Shi, Xiao Li Sun, Sheng Yong Zhang
CCL 2009 Vol. 20 (12): 1405-1407   DOI:10.1016/j.cclet.2009.06.019
Abstract |  PDF (227 KB)  ( 50 ) | HTML ( )
A simple and efficient synthesis of 2-substituted benzothiazoles catalyzed by H2O2/HCl
Hong Yun Guo Ji Chao Li, You Le Shang
CCL 2009 Vol. 20 (12): 1408-1410   DOI:10.1016/j.cclet.2009.06.037
Abstract |  PDF (217 KB)  ( 32 ) | HTML ( )
Synthesis of bis-indolylmethanes catalyzed by oxone
Cai Li Zhang, Zhi Qiang Du
CCL 2009 Vol. 20 (12): 1411-1444   DOI:10.1016/j.cclet.2009.06.021
Abstract |  PDF (511 KB)  ( 22 ) | HTML ( )
Synthesis and photochemistry of novel bromo substituted stilbene derivatives as triplet state sensitizers for the generation of singlet oxygen
Hong Ru Li Qin Yuan Guo, Ting Xie, Fang Gao Sheng Tao Zhang
CCL 2009 Vol. 20 (12): 1415-1418   DOI:10.1016/j.cclet.2009.06.033
Abstract |  PDF (419 KB)  ( 27 ) | HTML ( )
Novel four-hydrogen-bond assembled oligoamide dimer with pyrazoline moieties and its photoluminescent propertie
Guang Dong Lei, Ming Li, De Min Qiu, Hui Liu, Yan Huang, Zhi Yun Lu
CCL 2009 Vol. 20 (12): 1419-1422   DOI:10.1016/j.cclet.2009.06.034
Abstract |  PDF (849 KB)  ( 45 ) | HTML ( )
Synthesis, liquid crystalline and luminescent properties of trimeric phenylenevinylene with end-groups of (R)-(+)-2-methylbutyric acid ester
Cheng Bo Zhang, Ying Li, Wen Ke Liu, Hai Quan Zhang, Huai Yang, Qing Shan Li, Guang Zhong Xing
CCL 2009 Vol. 20 (12): 1423-1426   DOI:10.1016/j.cclet.2009.06.022
Abstract |  PDF (859 KB)  ( 40 ) | HTML ( )
A novel and facile one-pot sulfonyloxylactonization of alkenoic acids
Min Zhu Li Ll, Cai Qin Liu
CCL 2009 Vol. 20 (12): 1427-1430   DOI:10.1016/j.cclet.2009.06.015
Abstract |  PDF (414 KB)  ( 32 ) | HTML ( )
Synthesis and cytotoxicity of novel podophyllotoxin derivatives
Yi Zheng, You Guang Sun, Yuan Zhang, Jing Jing Lv, Wen Chao Bi, Yuan Wei Ma, Hong Chen
CCL 2009 Vol. 20 (12): 1431-1434   DOI:10.1016/j.cclet.2009.07.022
Abstract |  PDF (249 KB)  ( 32 ) | HTML ( )
Influence of terminal alkyl chain length on helical twisting property of chiral 1,2-propanediol derivatives
Wei Huang, Xiao Guang Zhang, Guang Da Yang, Zhen Yu Bian, Xiao Juan Wu, Guo Jing Ma, Qi Huang, Huai Yang
CCL 2009 Vol. 20 (12): 1435-1438   DOI:10.1016/j.cclet.2009.06.016
Abstract |  PDF (912 KB)  ( 45 ) | HTML ( )
A mild, efficient and selective iodination of aromatic compounds using iodine and 1,4-bis(triphenylphosphonium)-2-butene peroxodisulfate
Rashid Badri Maryam Gorjizadeh
CCL 2009 Vol. 20 (12): 1439-1443   DOI:10.1016/j.cclet.2009.06.017
Abstract |  PDF (568 KB)  ( 35 ) | HTML ( )
Silica-bonded S-sulfonic acid a recyclable catalyst for the synthesis of coumarins
Khodabakhsh Niknam, Dariush Saberi, Mojtaba Baghernejad
CCL 2009 Vol. 20 (12): 1444-1448   DOI:10.1016/j.cclet.2009.06.039
Abstract |  PDF (735 KB)  ( 38 ) | HTML ( )
Synthesis and mesomorphic behavior of benzothiazole-based liquid crystals having terminal methoxyl group
Sie Tiong Ha, Teck Ming Koh, Siew Teng Ong, Yasodha Sivasothy
CCL 2009 Vol. 20 (12): 1449-1452   DOI:10.1016/j.cclet.2009.06.023
Abstract |  PDF (915 KB)  ( 26 ) | HTML ( )
Boric acid as an efficient catalyst for the synthesis of 1,1-diacetate under solvent-free condition
K.F.Shelke, S.B.Sapkal, G.K.Kakade, P.V.Shinde, B.B.Shingate, M.S.Shingare
CCL 2009 Vol. 20 (12): 1453-1456   DOI:10.1016/j.cclet.2009.07.009
Abstract |  PDF (246 KB)  ( 33 ) | HTML ( )
Silica sulfuric acid:A versatile reagent for oxathioacetalyzation ofcarbonyl compounds and deprotection of 1,3-oxathiolanes
Farhad Shirini Parisa Sadeghzadeh, Masoumeh Abedini
CCL 2009 Vol. 20 (12): 1457-1460   DOI:10.1016/j.cclet.2009.07.006
Abstract |  PDF (376 KB)  ( 36 ) | HTML ( )
Synthesis of tanshinone ⅡA analogues and their inhibitory activities against Cdc25 phosphatases
Wei Gang Huang, Jing Ya Li, Yu Luo, Jia Li, Wei Lu
CCL 2009 Vol. 20 (12): 1461-1464   DOI:10.1016/j.cclet.2009.07.008
Abstract |  PDF (255 KB)  ( 52 ) | HTML ( )
Prenylated flavonoids from Tephrosia apollinea
Ali K.Khalafallah, Suleiman A.Suleiman, Afifi H.Yousef, Nadia A.A.El-kanzi, Abou El-Hamd H.Mohamed
CCL 2009 Vol. 20 (12): 1465-1468   DOI:10.1016/j.cclet.2009.05.025
Abstract |  PDF (497 KB)  ( 29 ) | HTML ( )
Two new prenylflavonoids from Morus nigra L.
Lei Wang, Ting Gong, Ruo Yun Chen
CCL 2009 Vol. 20 (12): 1469-1471   DOI:10.1016/j.cclet.2009.06.035
Abstract |  PDF (210 KB)  ( 30 ) | HTML ( )
A new sesquiterpene from the roots of Vladimiria souliei
Jing Xu, Xiao Jun Zhao, Yuan Qiang Guo, Wen Bin Hou, Shu Zhong Zhang
CCL 2009 Vol. 20 (12): 1472-1474   DOI:10.1016/j.cclet.2009.07.014
Abstract |  PDF (202 KB)  ( 36 ) | HTML ( )
Aptameric SERS sensor for Hg2+analysis using silver nanoparticles
Guo Qing Wang, Ling Xin Chen
CCL 2009 Vol. 20 (12): 1475-1477   DOI:10.1016/j.cclet.2009.06.029
Abstract |  PDF (518 KB)  ( 33 ) | HTML ( )
Study on the influence of humic acid of different molecular weight on basic ion exchange resin's adsorption capacity
Jin Nan Wang, Ai Min Li Yang Zhou, Li Xu
CCL 2009 Vol. 20 (12): 1478-1482   DOI:10.1016/j.cclet.2009.07.013
Abstract |  PDF (1861 KB)  ( 36 ) | HTML ( )
Simultaneous determination of fluorine and iodine in urine by ion chromatography with electrochemical pretreatment
Kang Kang Hu, Wei Xiong Huang, Yu Hua Su, Rong Zong Hu
CCL 2009 Vol. 20 (12): 1483-1486   DOI:10.1016/j.cclet.2009.05.030
Abstract |  PDF (356 KB)  ( 41 ) | HTML ( )
Short communication Refolding of reduced/denatured bovine pancreatic insulin with ion-exchange chromatography coupled with MALDI-TOF MS
Cui E.Lin, Quan Bai
CCL 2009 Vol. 20 (12): 1487-1490   DOI:10.1016/j.cclet.2009.07.005
Abstract |  PDF (297 KB)  ( 41 ) | HTML ( )
Use of packed-fiber solid-phase extraction for sample clean-up and preconcentration of vitamin B 12 before determination
Fang Fang, Xue Jun Kang, Zhi Yong Liu, Yu Qin Ma, Zhong Ze Gu
CCL 2009 Vol. 20 (12): 1491-1494   DOI:10.1016/j.cclet.2009.06.030
Abstract |  PDF (292 KB)  ( 30 ) | HTML ( )
New matrix of MALDI-TOF MS for analysis of small molecules
Shu Zhang, Yi Chen, Jian An Liu, Shao Xiang Xiong, Guang Hui Wang, Jun Chen, Guo Qiang Yang
CCL 2009 Vol. 20 (12): 1495-1497   DOI:10.1016/j.cclet.2009.06.031
Abstract |  PDF (255 KB)  ( 39 ) | HTML ( )
Determination of inorganic anions in ethyl acetate by in-line hollow fiber membrane extraction with ion chromatography
Zhen Zhen Hu, Ying Ying Zhong, Yun Chang Fan, Yan Zhu
CCL 2009 Vol. 20 (12): 1498-1501   DOI:10.1016/j.cclet.2009.07.016
Abstract |  PDF (342 KB)  ( 55 ) | HTML ( )
Synthesis of novel biodegradable poly(ethylene glycol) analogue:Water-soluble aliphatic polyester with pendant oligo(ethylene glycol) chains
Lei Feng, Jian Yuan Hao, Cheng Dong Xiong, Xian Mo Deng
CCL 2009 Vol. 20 (12): 1502-1505   DOI:10.1016/j.cclet.2009.06.013
Abstract |  PDF (287 KB)  ( 26 ) | HTML ( )
Different crystallinity of poly(d,l-lactide-co-p-dioxanone) copolymers acquired by control of chain microstructure
Hui Zhen Zhao, Jian Yuan Hao, Cheng Dong Xiong, Xian Mo Deng
CCL 2009 Vol. 20 (12): 1506-1509   DOI:10.1016/j.cclet.2009.07.012
Abstract |  PDF (461 KB)  ( 35 ) | HTML ( )
Synthesis and properties of novel thermotropic liquid crystalline copoly(ester-imide)s
Guo Yao, Yi Gu
CCL 2009 Vol. 20 (12): 1510-1513   DOI:10.1016/j.cclet.2009.07.004
Abstract |  PDF (1074 KB)  ( 57 ) | HTML ( )
Synthesis and characterization of α-butyl-ω-{3-[(2,2-dihydroxymethyl)-propionyloxy]}propylpolydimethylsiloxanes
Meng Zhang, Jun Ying Li, Guo Wei Zhou, Yuan Juan Wu, Yong Mei Xia, Tian Duo Li
CCL 2009 Vol. 20 (12): 1514-1517   DOI:10.1016/j.cclet.2009.06.027
Abstract |  PDF (240 KB)  ( 26 ) | HTML ( )
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