CHINESE CHEMICAL LETTERS

 Vol. 15, No. 5, 2004

CONTENTS

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Asymmetric Pictet-Spengler reactions:synthesis of tetrahydroisoquinoline derivatives from L-DOPA................ Y. WANG, Z. Z. LIU, S. Z. CHEN, X. T. LIANG

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505

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An efficient and green procedure for the preparation of gem-dicarboxylates from aldehydes catalyzed by Fe2(SO4)3•xH2O.............................................................

................................................................................L. J. LI, X. Y. ZHANG, G. S. ZHANG

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508

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Formation of a,a'-bis(substituted benzylidene)cycloalkanones from mask-

ed aldehydes promoted by samarium(III) triiodide..........................................

....................................................................................X. X. WANG, Y. M. ZHANG

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511

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Synthesis and characterization of a novel aqueous dispersion poly[urethane

 (disperse blue 14)-urethane] dye......X. H. HU, X. Y. ZHANG, J. B. DAI, G. W. XU

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515

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An efficient preparation of 2, 3-disubstituted indole derivatives induced by low-valent titanium.....................X. S. FAN, X. Y. ZHANG, Y. M. ZHANG, G. R. QU

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518

Synthesis and characterization of a novel biomaterial: maleic anhydride- modified poly(dl-lactic acid)...............................................................................................

.......................................................Y. F. LUO, Y. L. WANG, X. F. NIU, J. PAN, L. P. SHI

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521

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Synthesis and color-tunable fluorescence properties of Schiff base zinc (II) complexes used as electroluminescent materials........................................................

................................................................................Y. YI, X. Q. WEI, M. G. XIE, Z. Y. LU

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525

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Dioxygen affinities and biomimetic catalytic oxidation performance of tran-

sition-metal complexes with unsymmetrical bis-Schiff bases...................................

...............................................................................X. Y. WEI, J. Z. LI, Y. DU, S. Y. QING

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529

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Synthesis of RGD-aPEG-lactoside, a potential anti-metastasis glycoconju-gate................................................S. C. LI, L. M. NIU, H. LI, Z. J. LI, Q. LI

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532

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Synthesis of quinolone analogues: 7-[(2S, 4R)-2-aminomethyl-4- hydroxy-pyrrolidin-1-yl] quinolones............................................J. Y. LIU, H. Y. GUO

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535

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Two novel sub-skeleton types of ent-kauranoids from Isodon gesneroides......

........................................S. N. CHEN, S. Y. CHEN, H. D. SUN, W. Z. LIN, Y. Z. CHEN

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539

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A novel isoenzyme of CuZn-superoxide dismutase from Nicotiana tobacum

.............................................L. Q. SHENG, S. M. LIU, H. R. XIAO, B.L. XIA, Q. L. LIU

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543

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Method of spectrophotometric microanalysis based on HRP/PET selfassem-bly film................................X. M. JIANG, Z. C. CHEN, S. M. YANG, H. F. LIN, X. F. LIN

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547

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Direct fluorescence sensing of metal ions in aqueous solution using intramo-lecular charge transfer emission from aggregates of pentaerythrityl tetra(p-dimethylaminobenzoate)............................................Z. C. WEN, Y. B. JIANG

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551

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Studies on the preparation of polymer spherical symmetry GRIN sphere and controlling its gradient index distribution....................................................................

..........................................................R. XIA, Y. C. ZHANG, Y. M. YI, Q. YANG, Q. YU

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555

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A mesoscopic selfassembled ring of a femtomole fluorescein sessile droplet on glass slide support.........................................................C. Z. HUANG, Y. LIU, Y. F. LI

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559

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Simultaneous impedance analysis of three parallel piezoelectric quartz

crystals for electrochemical depletion layer effect study............................................

..............................................................................................................H. Y. LIU, Q. J. XIE

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563

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Rheological behavior for mica-filled polypropylene composite melts.......................

...........................................................................................Y. X. CAO, M. DU, Q. ZHENG

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567

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Synthesis of micron-size functional polystyrene fluorescent microspheres and their adsorbability to human serum albumin................................................................

............................................................D. Q. WANG, H. LI, J. HU, X. F. LIAO, B. L. LIU

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571

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Effect of fluorination on aggregate structure of perylene diimide............................

.....................................................M. M. SHI, H. Z. CHEN, J. Z. SUN, J. YE, M. WANG

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575

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Aggregation properties of an amphiphilic methanofullerene  derivative in THF¨CH2O solvent mixtures..............................................................................................

...........................................G. W. WANG, L. J.JIAO, E. H.HAO, Y. M. LU, Y. J. YANG

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579

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Rate constants for the reactions of NO3¨B and SO4¨B radicals with oxalic acid and oxalate anions in aqueous solution...........................................................................

..........................................................................X. K. YANG, J. Q. WANG, T. D. WANG

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583

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Mechanochemical reaction of aromatic ketones and aldehydes in the pre-sence of Zn-ZnCl2 .....................................................................................G. W. WANG, L. LIU

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587

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Dehydroaromatization of methane with a small amount of ethane for higher yield of benzene.......................................W. CHU, X. Y. DAI, X. D. LI, W. W. JIANG

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591

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Regiospecific addition of uracil to acrylates catalyzed by alkaline protease from Bacillus subtilis...........................Y. CAI, J. Y. WU, N. WANG, X. F. SUN, X. F. LIN

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594

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Preparation and characterization of super-paramagnetic nano-beads for DNA isolation............................................................X. XIE, X. ZHANG, B. B. YU, W. Y. FEI

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597

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Synthesis of silica-anchored sensitizer and its application in the preparation of pre-

vitamin D3 from tachysterol...............................................................................................

.......................................C. J. YOU, R. XIE, Y. Y. GAO, Y. B. HAN, G. Q. YANG, Y. LI

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601

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The effects of CO2 addition on the partial oxidation of heptane for hydro-

gen generation...............................R. RAN, G. X. XIONG, S. S. SHENG, W. S. YANG

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605

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Preparation of composite charge-mosaic hollow fiber membrane by inter-facial polymerization...........................................................................H. Q. ZHANG, J. D. LIU

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609

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Preparation and catalytic property of MoOx with meso-porosity...............................

...........................................................X. P. WANG, Y. J. WANG, S. H. CHAI, T. X. CAI

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611

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Preparation and characterization of single crystals of MAPO-43 molecular sieve....................................................................... J. J. LI, G. D. LI, C. Y. XI, J. S. CHEN

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615

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Composite electrode SnO2/TiO2 for dye-sensitized solar cells................................

...............................................................J. B. XIA, F. Y. LI, S. M. YANG, C. H. HUANG

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619

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Molybdenum disulfide sheathed carbon nanotubes.......................................................

............................X. C. SONG, Z. D. XU, Y. F. ZHENG, G. HAN, B. LIU, W. X. CHEN

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623

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Thermodynamic and kinetic studies on the SiH + XH3 (X=N, P) reactions...........

.............................................................................................W. J. SI, S. P. ZHUO, G. Z. JU

 

627