CHINESE CHEMICAL LETTERS
 Vol. 16, No. 1, 2005
CONTENTS

Synthesis of tetrahydropyridinyltriazolothiadiazines as possible muscarinic agonists........¡­¡­¡­¡­¡­¡­¡­..¡­...  ¡­¡­¡­¡­.G. Q. HU, W. L. HUANG, H. WANG

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1

Ring-closing metathesis on an allyl-terminated carbosilane dendrimer¡­...¡­¡­

..¡­¡­¡­¡­¡­....C. J. ZHOU, R. F. GUAN, S. Y. FENG, D. J. BERG, S. R. STOBART

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4

Synthesis of new benzoimidazole derivatives¡­¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­..

.¡­..L. K. AN, X. Z. BU, Z. S. HUANG, L. MA, L. Q. GU, A. S. C. CHAN, Y. M. LI

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Synthesis of 2-en-1-one-ebelactonyl benzoates of territrem B analogues from jujubogenin................................................................................................................J. H. ZHAO, Y. G. WANG, H. B. LI, F. ZHAO, L. X. YANG, H. BAI, S. S. LEE, Y. ZHAO

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11

A novel asymmetric synthesis of (-)-cis-1, 3-dibenzylhexahydrofuro [3, 4-d] imidazole-2, 4-dione¡­¡­¡­¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­W. H. HAN, H. R. LI

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15

Asymmetric synthesis of ¦Á-substituted-¦Ã-butyrolactone empolying prolinol type of auxiliaries¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­J. C. NING, S. MAO, Y. D. GUAN

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17

Synthesis of 6, 9, 11-trihydroxy-6a, 12a-dehydrorotenoid¡­¡­¡­¡­¡­¡­¡­¡­¡­..

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­.H. Y. ZHENG, S. B. LI

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20

Preparation of L-butyl lactate via transesterification by using nafion-H cata- lyst¡­¡­..¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­¡­.¡­¡­.¡­¡­¡­¡­¡­..W. LI, G. R. ZHENG, P. LU

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23

EDTA-type polymer based on diazacrown ether as the solubilizer of barium sulfate to water¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..B. ZHOU, J. Z. LI, C. H. HE, S. Y. QIN

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27

Short synthesis of C-terminal modified peptides by a series-connection proce- dure¡­...¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­.G. J. TIAN, C. L. QIU, Z. LIU, D. X. WANG

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31

Palladium catalyzed synthesis of fluorine-containing 3-biaryl-1-ferrocenyl-2-

propene-1-one¡­¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­.¡­..Q. B. SONG, R. X. LIN, T. H. SHEN

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35

Synthesis and antitumor activity of C-2/C-10 modified analogues of docetaxel.......¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­¡­..W. S. FANG, H. Y. LIU, Q. C. FANG

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38

Synthesis and characterization of novel organic/inorganic hybrid polymers containing polyhedral oligosilsesquioxanes¡­.....................................................¡­

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..H. Y. XU, X. Y. GAO, S. Y. GUANG, F. C. CHANG

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41

Lipase-catalyzed regioselective synthesis of vinyl ester derivatives of thiamphe- nicol: novel thiamphenicol monomers for preparation of macromolecular antibiotic¡­¡­¡­...¡­.¡­¡­¡­¡­Y. Z. SHI, Z. C. CHEN, N. WANG, Q. WU, X. F. LIN

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45

Two new sequiterpenoids from Helicteres angustifolia¡­¡­..¡­¡­¡­¡­¡­.¡­¡­¡­

...¡­¡­¡­¡­¡­¡­X. D. GUO, Z. S. HUANG, Y. D. BAO, L. K. AN, L. MA, L. Q. GU

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49

Septemloside III: a nonasaccharide saponin from the bark of Kalopanax septemlobus (Thunb.) Koidz¡­¡­....¡­..¡­¡­¡­..J. Y. YIN, Q. MENG, E. S. WANG

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53

Three new diarylpropanes from Dioscorea composite¡­S. L. YANG, X. K. LIU

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57

New eudesmenes from Erigeron annus¡­¡­¡­..¡­¡­¡­X. LI, Q. H. WU, K. GAO

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61

Determination of dopamine in the presence of ascorbic acid on the IrO2-Ta2O5 type DSA electrode¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­...¡­¡­.Y. LIU, Z. Y. LI, J. H. LI

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64

Determination of size distribution of nano-particles by capillary zone electro- phoresis¡­¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Y. XUE, H. Y. YANG, Y. T. YANG

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67

Preliminary study on cordycepin-DNA interaction by Raman spectroscopy¡­...

¡­¡­¡­¡­¡­¡­¡­....¡­¡­¡­..J. Y. LING, Q. Z. YANG, S. S. LUO, Y. LI, C. K. ZHANG

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71

Platelet adhesion onto nitinol surfaces modified by microwave cold-plasma¡­...

...¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­...¡­¡­¡­..J. YANG, J. H. WANG, S. Y. TONG

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75

Anodic synthesis and characterization of Na-Pb-O, Na-Pb-Bi-O crystals¡­¡­¡­

¡­¡­¡­¡­¡­¡­...¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­L. M. QIU, F. LIU, L. Z. ZHAO

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78

Cleavage of DNA by a new mixed-ligand Cu(¢ò) complex......................................

....................................................................................................Q. H. ZHOU, P. YANG

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81

New thiophene derivatives with two-photon excited fluorescence¡­¡­¡­.¡­¡­¡­

¡­¡­¡­¡­¡­...¡­¡­...¡­¡­¡­¡­W. WANG, G. M. XIA, G. B. XU, Z. Q. LIU, Q. FANG

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85

Synthesis and characterization of two novel high valent dinuclear complexes with a triphenolate ligand bearing functional groups¡­¡­¡­¡­¡­¡­¡­¡­¡­F. SHI, H. Y. LI, X. J. PENG, R. ZHANG, X. Q. CHEN, J. L. FAN, J. N. CUI, L. C. SUN

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89

Application of Mn(¢ò) as a mimetic enzyme of horseradish peroxidase¡­¡­¡­...

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­..A. X. HAN, L. H. NIU, R. CHANG, F. S. ZHANG

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93

Novel oxygen storage components promoted palladium catalysts for emission control in natural gas powered engines¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

¡­¡­¡­¡­¡­¡­¡­¡­...B. ZHAO, M. C. GONG, X. S. FENG, Y. Y. LUO, Y. Q. CHEN

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97

Efficient Nd promoted Rh catalysts for vapor phase methanol carbonylation¡­

¡­...¡­¡­¡­¡­¡­¡­¡­..S. F. ZHANG, Q. L. QIAN, P. L. PAN, Y. CHEN, G. Q. YUAN

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100

Highly effective propylene epoxidation over TS-1/SiO2 hydrothermally treated.

¡­¡­¡­¡­¡­¡­..¡­¡­¡­¡­...W. G. CHENG, X. S. WANG, G. LI, X. W. GUO, Q. S. LIN

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103

Effect of supercritical fluids on the biological activity of Absidia coerulea for the hydroxylation of Reichsterin¡¯s substance acetate¡­¡­¡­..¡­¡­¡­¡­¡­¡­¡­...

¡­¡­¡­¡­...¡­¡­¡­¡­¡­¡­¡­.X. F. LIU, H. M. ZHU, T. W. ZHANG, B. Q. ZHANG

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107

Synergistic catalytic action of cobalt (¢ò) hydroxamates and N-hydroxyphtha- limide in the aerobic oxidation of p-xylene..................................................................

...........................................................................J. LIANG, J. Z. LI, B. ZHOU, S. Y. QIN

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111

Effect of alkali treatment on the structure and catalytic properties of ZSM-5 zeolite¡­¡­¡­.¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­Z. Y. LI, X. SUN, Q. XIAO, S. H. XIANG

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115

Chlorine-radical induced oxidation of glyoxal and glyoxal-S(IV) adducts in the aqueous phase¡­¡­¡­¡­¡­¡­¡­¡­¡­...¡­¡­..¡­¡­¡­..Y. LI, Y. TANG, J. Q. WANG

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119

Synthesis and characterization of chitosan-g-poly (D, L-lactic acid) copolymer...

...¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­H. YANG, S. B. ZHOU, X. M. DENG

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123

Synthesis and characterization of a novel cholesteric liquid crystalline contain- ing carboxyl group¡­..¡­¡­...¡­¡­¡­¡­J. MA, Y. N. XUAN, Y. HUANG

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127

Modulation of tartrates with various counterions on the phases of calcium oxalate in gelatinous systems¡­¡­¡­.....¡­..¡­¡­¡­.¡­¡­.J. M. OUYANG, X. P. LI

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131

Preparation and properties of urease immobilized onto glutaraldehyde cross- linked chitosan beads¡­.....Z. P. LIANG, Y. Q. FENG, S. X. MENG, Z. Y. LIANG

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135

Evaluation of average wall thickness of organically modified mesoporous silica

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­..¡­¡­¡­.Y. J. GONG, Z. H. LI, B. Z. DONG

 

139